213228120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{811}}^1$

素因数の和:1145

約数の個数: 128

約数和(自身を含む): 734307840

約数和(自身を除く): 521079720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 313, 420, 626, 811, 840, 939, 1252, 1565, 1622, 1878, 2191, 2433, 2504, 3130, 3244, 3756, 4055, 4382, 4695, 4866, 5677, 6260, 6488, 6573, 7512, 8110, 8764, 9390, 9732, 10955, 11354, 12165, 12520, 13146, 16220, 17031, 17528, 18780, 19464, 21910, 22708, 24330, 26292, 28385, 32440, 32865, 34062, 37560, 43820, 45416, 48660, 52584, 56770, 65730, 68124, 85155, 87640, 97320, 113540, 131460, 136248, 170310, 227080, 253843, 262920, 340620, 507686, 681240, 761529, 1015372, 1269215, 1523058, 1776901, 2030744, 2538430, 3046116, 3553802, 3807645, 5076860, 5330703, 6092232, 7107604, 7615290, 8884505, 10153720, 10661406, 14215208, 15230580, 17769010, 21322812, 26653515, 30461160, 35538020, 42645624, 53307030, 71076040, 106614060, 213228120]

約数ペア:

[(1, 213228120), (2, 106614060), (3, 71076040), (4, 53307030), (5, 42645624), (6, 35538020), (7, 30461160), (8, 26653515), (10, 21322812), (12, 17769010), (14, 15230580), (15, 14215208), (20, 10661406), (21, 10153720), (24, 8884505), (28, 7615290), (30, 7107604), (35, 6092232), (40, 5330703), (42, 5076860), (56, 3807645), (60, 3553802), (70, 3046116), (84, 2538430), (105, 2030744), (120, 1776901), (140, 1523058), (168, 1269215), (210, 1015372), (280, 761529), (313, 681240), (420, 507686), (626, 340620), (811, 262920), (840, 253843), (939, 227080), (1252, 170310), (1565, 136248), (1622, 131460), (1878, 113540), (2191, 97320), (2433, 87640), (2504, 85155), (3130, 68124), (3244, 65730), (3756, 56770), (4055, 52584), (4382, 48660), (4695, 45416), (4866, 43820), (5677, 37560), (6260, 34062), (6488, 32865), (6573, 32440), (7512, 28385), (8110, 26292), (8764, 24330), (9390, 22708), (9732, 21910), (10955, 19464), (11354, 18780), (12165, 17528), (12520, 17031), (13146, 16220)]