728675220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{421}}^1$

素因数の和:770

約数の個数: 192

約数和(自身を含む): 2525031936

約数和(自身を除く): 1796356716

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 317, 364, 390, 420, 421, 455, 546, 634, 780, 842, 910, 951, 1092, 1263, 1268, 1365, 1585, 1684, 1820, 1902, 2105, 2219, 2526, 2730, 2947, 3170, 3804, 4121, 4210, 4438, 4755, 5052, 5460, 5473, 5894, 6315, 6340, 6657, 8242, 8420, 8841, 8876, 9510, 10946, 11095, 11788, 12363, 12630, 13314, 14735, 16419, 16484, 17682, 19020, 20605, 21892, 22190, 24726, 25260, 26628, 27365, 28847, 29470, 32838, 33285, 35364, 38311, 41210, 44205, 44380, 49452, 54730, 57694, 58940, 61815, 65676, 66570, 76622, 82095, 82420, 86541, 88410, 109460, 114933, 115388, 123630, 133140, 133457, 144235, 153244, 164190, 173082, 176820, 191555, 229866, 247260, 266914, 288470, 328380, 346164, 383110, 400371, 432705, 459732, 533828, 574665, 576940, 667285, 766220, 800742, 865410, 934199, 1149330, 1334570, 1601484, 1730820, 1734941, 1868398, 2001855, 2298660, 2669140, 2802597, 3469882, 3736796, 4003710, 4670995, 5204823, 5605194, 6939764, 8007420, 8674705, 9341990, 10409646, 11210388, 12144587, 14012985, 17349410, 18683980, 20819292, 24289174, 26024115, 28025970, 34698820, 36433761, 48578348, 52048230, 56051940, 60722935, 72867522, 104096460, 121445870, 145735044, 182168805, 242891740, 364337610, 728675220]

約数ペア:

[(1, 728675220), (2, 364337610), (3, 242891740), (4, 182168805), (5, 145735044), (6, 121445870), (7, 104096460), (10, 72867522), (12, 60722935), (13, 56051940), (14, 52048230), (15, 48578348), (20, 36433761), (21, 34698820), (26, 28025970), (28, 26024115), (30, 24289174), (35, 20819292), (39, 18683980), (42, 17349410), (52, 14012985), (60, 12144587), (65, 11210388), (70, 10409646), (78, 9341990), (84, 8674705), (91, 8007420), (105, 6939764), (130, 5605194), (140, 5204823), (156, 4670995), (182, 4003710), (195, 3736796), (210, 3469882), (260, 2802597), (273, 2669140), (317, 2298660), (364, 2001855), (390, 1868398), (420, 1734941), (421, 1730820), (455, 1601484), (546, 1334570), (634, 1149330), (780, 934199), (842, 865410), (910, 800742), (951, 766220), (1092, 667285), (1263, 576940), (1268, 574665), (1365, 533828), (1585, 459732), (1684, 432705), (1820, 400371), (1902, 383110), (2105, 346164), (2219, 328380), (2526, 288470), (2730, 266914), (2947, 247260), (3170, 229866), (3804, 191555), (4121, 176820), (4210, 173082), (4438, 164190), (4755, 153244), (5052, 144235), (5460, 133457), (5473, 133140), (5894, 123630), (6315, 115388), (6340, 114933), (6657, 109460), (8242, 88410), (8420, 86541), (8841, 82420), (8876, 82095), (9510, 76622), (10946, 66570), (11095, 65676), (11788, 61815), (12363, 58940), (12630, 57694), (13314, 54730), (14735, 49452), (16419, 44380), (16484, 44205), (17682, 41210), (19020, 38311), (20605, 35364), (21892, 33285), (22190, 32838), (24726, 29470), (25260, 28847), (26628, 27365)]