1620921780

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{853}}^1$

素因数の和:917

約数の個数: 288

約数和(自身を含む): 5640171264

約数和(自身を除く): 4019249484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 27, 30, 34, 36, 45, 46, 51, 54, 60, 68, 69, 81, 85, 90, 92, 102, 108, 115, 135, 138, 153, 162, 170, 180, 204, 207, 230, 243, 255, 270, 276, 306, 324, 340, 345, 391, 405, 414, 459, 460, 486, 510, 540, 612, 621, 690, 765, 782, 810, 828, 853, 918, 972, 1020, 1035, 1173, 1215, 1242, 1377, 1380, 1530, 1564, 1620, 1706, 1836, 1863, 1955, 2070, 2295, 2346, 2430, 2484, 2559, 2754, 3060, 3105, 3412, 3519, 3726, 3910, 4131, 4140, 4265, 4590, 4692, 4860, 5118, 5508, 5589, 5865, 6210, 6885, 7038, 7452, 7677, 7820, 8262, 8530, 9180, 9315, 10236, 10557, 11178, 11730, 12420, 12795, 13770, 14076, 14501, 15354, 16524, 17060, 17595, 18630, 19619, 20655, 21114, 22356, 23031, 23460, 25590, 27540, 27945, 29002, 30708, 31671, 35190, 37260, 38385, 39238, 41310, 42228, 43503, 46062, 51180, 52785, 55890, 58004, 58857, 63342, 69093, 70380, 72505, 76770, 78476, 82620, 87006, 92124, 95013, 98095, 105570, 111780, 115155, 117714, 126684, 130509, 138186, 145010, 153540, 158355, 174012, 176571, 190026, 196190, 207279, 211140, 217515, 230310, 235428, 261018, 276372, 290020, 294285, 316710, 333523, 345465, 353142, 380052, 391527, 392380, 414558, 435030, 460620, 475065, 522036, 529713, 588570, 633420, 652545, 667046, 690930, 706284, 783054, 829116, 870060, 882855, 950130, 1000569, 1036395, 1059426, 1174581, 1177140, 1305090, 1334092, 1381860, 1566108, 1589139, 1667615, 1765710, 1900260, 1957635, 2001138, 2072790, 2118852, 2349162, 2610180, 2648565, 3001707, 3178278, 3335230, 3523743, 3531420, 3915270, 4002276, 4145580, 4698324, 4767417, 5002845, 5297130, 5872905, 6003414, 6356556, 6670460, 7047486, 7830540, 7945695, 9005121, 9534834, 10005690, 10594260, 11745810, 12006828, 14094972, 15008535, 15891390, 17618715, 18010242, 19069668, 20011380, 23491620, 23837085, 27015363, 30017070, 31782780, 35237430, 36020484, 45025605, 47674170, 54030726, 60034140, 70474860, 81046089, 90051210, 95348340, 108061452, 135076815, 162092178, 180102420, 270153630, 324184356, 405230445, 540307260, 810460890, 1620921780]

約数ペア:

[(1, 1620921780), (2, 810460890), (3, 540307260), (4, 405230445), (5, 324184356), (6, 270153630), (9, 180102420), (10, 162092178), (12, 135076815), (15, 108061452), (17, 95348340), (18, 90051210), (20, 81046089), (23, 70474860), (27, 60034140), (30, 54030726), (34, 47674170), (36, 45025605), (45, 36020484), (46, 35237430), (51, 31782780), (54, 30017070), (60, 27015363), (68, 23837085), (69, 23491620), (81, 20011380), (85, 19069668), (90, 18010242), (92, 17618715), (102, 15891390), (108, 15008535), (115, 14094972), (135, 12006828), (138, 11745810), (153, 10594260), (162, 10005690), (170, 9534834), (180, 9005121), (204, 7945695), (207, 7830540), (230, 7047486), (243, 6670460), (255, 6356556), (270, 6003414), (276, 5872905), (306, 5297130), (324, 5002845), (340, 4767417), (345, 4698324), (391, 4145580), (405, 4002276), (414, 3915270), (459, 3531420), (460, 3523743), (486, 3335230), (510, 3178278), (540, 3001707), (612, 2648565), (621, 2610180), (690, 2349162), (765, 2118852), (782, 2072790), (810, 2001138), (828, 1957635), (853, 1900260), (918, 1765710), (972, 1667615), (1020, 1589139), (1035, 1566108), (1173, 1381860), (1215, 1334092), (1242, 1305090), (1377, 1177140), (1380, 1174581), (1530, 1059426), (1564, 1036395), (1620, 1000569), (1706, 950130), (1836, 882855), (1863, 870060), (1955, 829116), (2070, 783054), (2295, 706284), (2346, 690930), (2430, 667046), (2484, 652545), (2559, 633420), (2754, 588570), (3060, 529713), (3105, 522036), (3412, 475065), (3519, 460620), (3726, 435030), (3910, 414558), (4131, 392380), (4140, 391527), (4265, 380052), (4590, 353142), (4692, 345465), (4860, 333523), (5118, 316710), (5508, 294285), (5589, 290020), (5865, 276372), (6210, 261018), (6885, 235428), (7038, 230310), (7452, 217515), (7677, 211140), (7820, 207279), (8262, 196190), (8530, 190026), (9180, 176571), (9315, 174012), (10236, 158355), (10557, 153540), (11178, 145010), (11730, 138186), (12420, 130509), (12795, 126684), (13770, 117714), (14076, 115155), (14501, 111780), (15354, 105570), (16524, 98095), (17060, 95013), (17595, 92124), (18630, 87006), (19619, 82620), (20655, 78476), (21114, 76770), (22356, 72505), (23031, 70380), (23460, 69093), (25590, 63342), (27540, 58857), (27945, 58004), (29002, 55890), (30708, 52785), (31671, 51180), (35190, 46062), (37260, 43503), (38385, 42228), (39238, 41310)]