308308980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:315

約数の個数: 192

約数和(自身を含む): 1025740800

約数和(自身を除く): 717431820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 71, 84, 98, 105, 140, 142, 147, 196, 210, 211, 213, 245, 284, 294, 343, 355, 420, 422, 426, 490, 497, 588, 633, 686, 710, 735, 844, 852, 980, 994, 1029, 1055, 1065, 1266, 1372, 1420, 1470, 1477, 1491, 1715, 1988, 2058, 2110, 2130, 2485, 2532, 2940, 2954, 2982, 3165, 3430, 3479, 4116, 4220, 4260, 4431, 4970, 5145, 5908, 5964, 6330, 6860, 6958, 7385, 7455, 8862, 9940, 10290, 10339, 10437, 12660, 13916, 14770, 14910, 14981, 17395, 17724, 20580, 20678, 20874, 22155, 24353, 29540, 29820, 29962, 31017, 34790, 41356, 41748, 44310, 44943, 48706, 51695, 52185, 59924, 62034, 69580, 72373, 73059, 74905, 88620, 89886, 97412, 103390, 104370, 104867, 121765, 124068, 144746, 146118, 149810, 155085, 179772, 206780, 208740, 209734, 217119, 224715, 243530, 289492, 292236, 299620, 310170, 314601, 361865, 365295, 419468, 434238, 449430, 487060, 524335, 620340, 629202, 723730, 730590, 734069, 868476, 898860, 1048670, 1085595, 1258404, 1447460, 1461180, 1468138, 1573005, 2097340, 2171190, 2202207, 2936276, 3146010, 3670345, 4342380, 4404414, 5138483, 6292020, 7340690, 8808828, 10276966, 11011035, 14681380, 15415449, 20553932, 22022070, 25692415, 30830898, 44044140, 51384830, 61661796, 77077245, 102769660, 154154490, 308308980]

約数ペア:

[(1, 308308980), (2, 154154490), (3, 102769660), (4, 77077245), (5, 61661796), (6, 51384830), (7, 44044140), (10, 30830898), (12, 25692415), (14, 22022070), (15, 20553932), (20, 15415449), (21, 14681380), (28, 11011035), (30, 10276966), (35, 8808828), (42, 7340690), (49, 6292020), (60, 5138483), (70, 4404414), (71, 4342380), (84, 3670345), (98, 3146010), (105, 2936276), (140, 2202207), (142, 2171190), (147, 2097340), (196, 1573005), (210, 1468138), (211, 1461180), (213, 1447460), (245, 1258404), (284, 1085595), (294, 1048670), (343, 898860), (355, 868476), (420, 734069), (422, 730590), (426, 723730), (490, 629202), (497, 620340), (588, 524335), (633, 487060), (686, 449430), (710, 434238), (735, 419468), (844, 365295), (852, 361865), (980, 314601), (994, 310170), (1029, 299620), (1055, 292236), (1065, 289492), (1266, 243530), (1372, 224715), (1420, 217119), (1470, 209734), (1477, 208740), (1491, 206780), (1715, 179772), (1988, 155085), (2058, 149810), (2110, 146118), (2130, 144746), (2485, 124068), (2532, 121765), (2940, 104867), (2954, 104370), (2982, 103390), (3165, 97412), (3430, 89886), (3479, 88620), (4116, 74905), (4220, 73059), (4260, 72373), (4431, 69580), (4970, 62034), (5145, 59924), (5908, 52185), (5964, 51695), (6330, 48706), (6860, 44943), (6958, 44310), (7385, 41748), (7455, 41356), (8862, 34790), (9940, 31017), (10290, 29962), (10339, 29820), (10437, 29540), (12660, 24353), (13916, 22155), (14770, 20874), (14910, 20678), (14981, 20580), (17395, 17724)]