161400720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{179}}^1$

素因数の和:242

約数の個数: 240

約数和(自身を含む): 575588160

約数和(自身を除く): 414187440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 34, 39, 40, 48, 51, 52, 60, 65, 68, 78, 80, 85, 102, 104, 120, 130, 136, 156, 170, 179, 195, 204, 208, 221, 240, 255, 260, 272, 289, 312, 340, 358, 390, 408, 442, 510, 520, 537, 578, 624, 663, 680, 716, 780, 816, 867, 884, 895, 1020, 1040, 1074, 1105, 1156, 1326, 1360, 1432, 1445, 1560, 1734, 1768, 1790, 2040, 2148, 2210, 2312, 2327, 2652, 2685, 2864, 2890, 3043, 3120, 3315, 3468, 3536, 3580, 3757, 4080, 4296, 4335, 4420, 4624, 4654, 5304, 5370, 5780, 6086, 6630, 6936, 6981, 7160, 7514, 8592, 8670, 8840, 9129, 9308, 10608, 10740, 11271, 11560, 11635, 12172, 13260, 13872, 13962, 14320, 15028, 15215, 17340, 17680, 18258, 18616, 18785, 21480, 22542, 23120, 23270, 24344, 26520, 27924, 30056, 30430, 34680, 34905, 36516, 37232, 37570, 39559, 42960, 45084, 45645, 46540, 48688, 51731, 53040, 55848, 56355, 60112, 60860, 69360, 69810, 73032, 75140, 79118, 90168, 91290, 93080, 103462, 111696, 112710, 118677, 121720, 139620, 146064, 150280, 155193, 158236, 180336, 182580, 186160, 197795, 206924, 225420, 237354, 243440, 258655, 279240, 300560, 310386, 316472, 365160, 395590, 413848, 450840, 474708, 517310, 558480, 593385, 620772, 632944, 672503, 730320, 775965, 791180, 827696, 901680, 949416, 1034620, 1186770, 1241544, 1345006, 1551930, 1582360, 1898832, 2017509, 2069240, 2373540, 2483088, 2690012, 3103860, 3164720, 3362515, 4035018, 4138480, 4747080, 5380024, 6207720, 6725030, 8070036, 9494160, 10087545, 10760048, 12415440, 13450060, 16140072, 20175090, 26900120, 32280144, 40350180, 53800240, 80700360, 161400720]

約数ペア:

[(1, 161400720), (2, 80700360), (3, 53800240), (4, 40350180), (5, 32280144), (6, 26900120), (8, 20175090), (10, 16140072), (12, 13450060), (13, 12415440), (15, 10760048), (16, 10087545), (17, 9494160), (20, 8070036), (24, 6725030), (26, 6207720), (30, 5380024), (34, 4747080), (39, 4138480), (40, 4035018), (48, 3362515), (51, 3164720), (52, 3103860), (60, 2690012), (65, 2483088), (68, 2373540), (78, 2069240), (80, 2017509), (85, 1898832), (102, 1582360), (104, 1551930), (120, 1345006), (130, 1241544), (136, 1186770), (156, 1034620), (170, 949416), (179, 901680), (195, 827696), (204, 791180), (208, 775965), (221, 730320), (240, 672503), (255, 632944), (260, 620772), (272, 593385), (289, 558480), (312, 517310), (340, 474708), (358, 450840), (390, 413848), (408, 395590), (442, 365160), (510, 316472), (520, 310386), (537, 300560), (578, 279240), (624, 258655), (663, 243440), (680, 237354), (716, 225420), (780, 206924), (816, 197795), (867, 186160), (884, 182580), (895, 180336), (1020, 158236), (1040, 155193), (1074, 150280), (1105, 146064), (1156, 139620), (1326, 121720), (1360, 118677), (1432, 112710), (1445, 111696), (1560, 103462), (1734, 93080), (1768, 91290), (1790, 90168), (2040, 79118), (2148, 75140), (2210, 73032), (2312, 69810), (2327, 69360), (2652, 60860), (2685, 60112), (2864, 56355), (2890, 55848), (3043, 53040), (3120, 51731), (3315, 48688), (3468, 46540), (3536, 45645), (3580, 45084), (3757, 42960), (4080, 39559), (4296, 37570), (4335, 37232), (4420, 36516), (4624, 34905), (4654, 34680), (5304, 30430), (5370, 30056), (5780, 27924), (6086, 26520), (6630, 24344), (6936, 23270), (6981, 23120), (7160, 22542), (7514, 21480), (8592, 18785), (8670, 18616), (8840, 18258), (9129, 17680), (9308, 17340), (10608, 15215), (10740, 15028), (11271, 14320), (11560, 13962), (11635, 13872), (12172, 13260)]