245339640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7489}}^1$

素因数の和:7526

約数の個数: 192

約数和(自身を含む): 981489600

約数和(自身を除く): 736149960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 130, 140, 156, 168, 180, 182, 195, 210, 234, 252, 260, 273, 280, 312, 315, 360, 364, 390, 420, 455, 468, 504, 520, 546, 585, 630, 728, 780, 819, 840, 910, 936, 1092, 1170, 1260, 1365, 1560, 1638, 1820, 2184, 2340, 2520, 2730, 3276, 3640, 4095, 4680, 5460, 6552, 7489, 8190, 10920, 14978, 16380, 22467, 29956, 32760, 37445, 44934, 52423, 59912, 67401, 74890, 89868, 97357, 104846, 112335, 134802, 149780, 157269, 179736, 194714, 209692, 224670, 262115, 269604, 292071, 299560, 314538, 337005, 389428, 419384, 449340, 471807, 486785, 524230, 539208, 584142, 629076, 674010, 681499, 778856, 786345, 876213, 898680, 943614, 973570, 1048460, 1168284, 1258152, 1348020, 1362998, 1460355, 1572690, 1752426, 1887228, 1947140, 2044497, 2096920, 2336568, 2359035, 2696040, 2725996, 2920710, 3145380, 3407495, 3504852, 3774456, 3894280, 4088994, 4381065, 4718070, 5451992, 5841420, 6133491, 6290760, 6814990, 7009704, 8177988, 8762130, 9436140, 10222485, 11682840, 12266982, 13629980, 16355976, 17524260, 18872280, 20444970, 24533964, 27259960, 30667455, 35048520, 40889940, 49067928, 61334910, 81779880, 122669820, 245339640]

約数ペア:

[(1, 245339640), (2, 122669820), (3, 81779880), (4, 61334910), (5, 49067928), (6, 40889940), (7, 35048520), (8, 30667455), (9, 27259960), (10, 24533964), (12, 20444970), (13, 18872280), (14, 17524260), (15, 16355976), (18, 13629980), (20, 12266982), (21, 11682840), (24, 10222485), (26, 9436140), (28, 8762130), (30, 8177988), (35, 7009704), (36, 6814990), (39, 6290760), (40, 6133491), (42, 5841420), (45, 5451992), (52, 4718070), (56, 4381065), (60, 4088994), (63, 3894280), (65, 3774456), (70, 3504852), (72, 3407495), (78, 3145380), (84, 2920710), (90, 2725996), (91, 2696040), (104, 2359035), (105, 2336568), (117, 2096920), (120, 2044497), (126, 1947140), (130, 1887228), (140, 1752426), (156, 1572690), (168, 1460355), (180, 1362998), (182, 1348020), (195, 1258152), (210, 1168284), (234, 1048460), (252, 973570), (260, 943614), (273, 898680), (280, 876213), (312, 786345), (315, 778856), (360, 681499), (364, 674010), (390, 629076), (420, 584142), (455, 539208), (468, 524230), (504, 486785), (520, 471807), (546, 449340), (585, 419384), (630, 389428), (728, 337005), (780, 314538), (819, 299560), (840, 292071), (910, 269604), (936, 262115), (1092, 224670), (1170, 209692), (1260, 194714), (1365, 179736), (1560, 157269), (1638, 149780), (1820, 134802), (2184, 112335), (2340, 104846), (2520, 97357), (2730, 89868), (3276, 74890), (3640, 67401), (4095, 59912), (4680, 52423), (5460, 44934), (6552, 37445), (7489, 32760), (8190, 29956), (10920, 22467), (14978, 16380)]