311804820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:255

約数の個数: 288

約数和(自身を含む): 1094446080

約数和(自身を除く): 782641260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 31, 34, 36, 38, 45, 51, 57, 60, 62, 68, 76, 85, 90, 93, 95, 102, 114, 124, 153, 155, 170, 171, 173, 180, 186, 190, 204, 228, 255, 279, 285, 306, 310, 323, 340, 342, 346, 372, 380, 465, 510, 519, 527, 558, 570, 589, 612, 620, 646, 684, 692, 765, 855, 865, 930, 969, 1020, 1038, 1054, 1116, 1140, 1178, 1292, 1395, 1530, 1557, 1581, 1615, 1710, 1730, 1767, 1860, 1938, 2076, 2108, 2356, 2595, 2635, 2790, 2907, 2941, 2945, 3060, 3114, 3162, 3230, 3287, 3420, 3460, 3534, 3876, 4743, 4845, 5190, 5270, 5301, 5363, 5580, 5814, 5882, 5890, 6228, 6324, 6460, 6574, 7068, 7785, 7905, 8823, 8835, 9486, 9690, 9861, 10013, 10380, 10540, 10602, 10726, 11628, 11764, 11780, 13148, 14535, 14705, 15570, 15810, 16089, 16435, 17646, 17670, 18972, 19380, 19722, 20026, 21204, 21452, 23715, 26469, 26505, 26815, 29070, 29410, 29583, 30039, 31140, 31620, 32178, 32870, 35292, 35340, 39444, 40052, 44115, 47430, 48267, 49305, 50065, 52938, 53010, 53630, 55879, 58140, 58820, 59166, 60078, 64356, 65740, 80445, 88230, 90117, 91171, 94860, 96534, 98610, 100130, 101897, 105876, 106020, 107260, 111758, 118332, 120156, 132345, 147915, 150195, 160890, 167637, 176460, 180234, 182342, 193068, 197220, 200260, 203794, 223516, 241335, 264690, 273513, 279395, 295830, 300390, 305691, 321780, 335274, 360468, 364684, 407588, 450585, 455855, 482670, 502911, 509485, 529380, 547026, 558790, 591660, 600780, 611382, 670548, 820539, 838185, 901170, 911710, 917073, 965340, 1005822, 1018970, 1094052, 1117580, 1222764, 1367565, 1528455, 1641078, 1676370, 1732249, 1802340, 1823420, 1834146, 2011644, 2037940, 2514555, 2735130, 3056910, 3282156, 3352740, 3464498, 3668292, 4102695, 4585365, 5029110, 5196747, 5470260, 6113820, 6928996, 8205390, 8661245, 9170730, 10058220, 10393494, 15590241, 16410780, 17322490, 18341460, 20786988, 25983735, 31180482, 34644980, 51967470, 62360964, 77951205, 103934940, 155902410, 311804820]

約数ペア:

[(1, 311804820), (2, 155902410), (3, 103934940), (4, 77951205), (5, 62360964), (6, 51967470), (9, 34644980), (10, 31180482), (12, 25983735), (15, 20786988), (17, 18341460), (18, 17322490), (19, 16410780), (20, 15590241), (30, 10393494), (31, 10058220), (34, 9170730), (36, 8661245), (38, 8205390), (45, 6928996), (51, 6113820), (57, 5470260), (60, 5196747), (62, 5029110), (68, 4585365), (76, 4102695), (85, 3668292), (90, 3464498), (93, 3352740), (95, 3282156), (102, 3056910), (114, 2735130), (124, 2514555), (153, 2037940), (155, 2011644), (170, 1834146), (171, 1823420), (173, 1802340), (180, 1732249), (186, 1676370), (190, 1641078), (204, 1528455), (228, 1367565), (255, 1222764), (279, 1117580), (285, 1094052), (306, 1018970), (310, 1005822), (323, 965340), (340, 917073), (342, 911710), (346, 901170), (372, 838185), (380, 820539), (465, 670548), (510, 611382), (519, 600780), (527, 591660), (558, 558790), (570, 547026), (589, 529380), (612, 509485), (620, 502911), (646, 482670), (684, 455855), (692, 450585), (765, 407588), (855, 364684), (865, 360468), (930, 335274), (969, 321780), (1020, 305691), (1038, 300390), (1054, 295830), (1116, 279395), (1140, 273513), (1178, 264690), (1292, 241335), (1395, 223516), (1530, 203794), (1557, 200260), (1581, 197220), (1615, 193068), (1710, 182342), (1730, 180234), (1767, 176460), (1860, 167637), (1938, 160890), (2076, 150195), (2108, 147915), (2356, 132345), (2595, 120156), (2635, 118332), (2790, 111758), (2907, 107260), (2941, 106020), (2945, 105876), (3060, 101897), (3114, 100130), (3162, 98610), (3230, 96534), (3287, 94860), (3420, 91171), (3460, 90117), (3534, 88230), (3876, 80445), (4743, 65740), (4845, 64356), (5190, 60078), (5270, 59166), (5301, 58820), (5363, 58140), (5580, 55879), (5814, 53630), (5882, 53010), (5890, 52938), (6228, 50065), (6324, 49305), (6460, 48267), (6574, 47430), (7068, 44115), (7785, 40052), (7905, 39444), (8823, 35340), (8835, 35292), (9486, 32870), (9690, 32178), (9861, 31620), (10013, 31140), (10380, 30039), (10540, 29583), (10602, 29410), (10726, 29070), (11628, 26815), (11764, 26505), (11780, 26469), (13148, 23715), (14535, 21452), (14705, 21204), (15570, 20026), (15810, 19722), (16089, 19380), (16435, 18972), (17646, 17670)]