18977040.000000000

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:317

約数の個数: 216

約数和(自身を含む): 894072816

約数和(自身を除く): 632037636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 53, 55, 60, 66, 90, 99, 106, 110, 121, 132, 159, 165, 180, 198, 212, 220, 227, 242, 265, 318, 330, 363, 396, 454, 477, 484, 495, 530, 583, 605, 636, 660, 681, 726, 795, 908, 954, 990, 1060, 1089, 1135, 1166, 1210, 1362, 1452, 1590, 1749, 1815, 1908, 1980, 2043, 2178, 2270, 2332, 2385, 2420, 2497, 2724, 2915, 3180, 3405, 3498, 3630, 4086, 4356, 4540, 4770, 4994, 5247, 5445, 5830, 6413, 6810, 6996, 7260, 7491, 8172, 8745, 9540, 9988, 10215, 10494, 10890, 11660, 12031, 12485, 12826, 13620, 14982, 17490, 19239, 20430, 20988, 21780, 22473, 24062, 24970, 25652, 26235, 27467, 29964, 32065, 34980, 36093, 37455, 38478, 40860, 44946, 48124, 49940, 52470, 54934, 57717, 60155, 64130, 72186, 74910, 76956, 82401, 89892, 96195, 104940, 108279, 109868, 112365, 115434, 120310, 128260, 132341, 137335, 144372, 149820, 164802, 180465, 192390, 216558, 224730, 230868, 240620, 247203, 264682, 274670, 288585, 329604, 360930, 384780, 397023, 412005, 433116, 449460, 494406, 529364, 541395, 549340, 577170, 661705, 721860, 794046, 824010, 988812, 1082790, 1154340, 1191069, 1236015, 1323410, 1455751, 1588092, 1648020, 1985115, 2165580, 2382138, 2472030, 2646820, 2911502, 3970230, 4367253, 4764276, 4944060, 5823004, 5955345, 7278755, 7940460, 8734506, 11910690, 13101759, 14557510, 17469012, 21836265, 23821380, 26203518, 29115020, 43672530, 52407036, 65508795, 87345060, 131017590, 262035180]

約数ペア:

[(1, 262035180), (2, 131017590), (3, 87345060), (4, 65508795), (5, 52407036), (6, 43672530), (9, 29115020), (10, 26203518), (11, 23821380), (12, 21836265), (15, 17469012), (18, 14557510), (20, 13101759), (22, 11910690), (30, 8734506), (33, 7940460), (36, 7278755), (44, 5955345), (45, 5823004), (53, 4944060), (55, 4764276), (60, 4367253), (66, 3970230), (90, 2911502), (99, 2646820), (106, 2472030), (110, 2382138), (121, 2165580), (132, 1985115), (159, 1648020), (165, 1588092), (180, 1455751), (198, 1323410), (212, 1236015), (220, 1191069), (227, 1154340), (242, 1082790), (265, 988812), (318, 824010), (330, 794046), (363, 721860), (396, 661705), (454, 577170), (477, 549340), (484, 541395), (495, 529364), (530, 494406), (583, 449460), (605, 433116), (636, 412005), (660, 397023), (681, 384780), (726, 360930), (795, 329604), (908, 288585), (954, 274670), (990, 264682), (1060, 247203), (1089, 240620), (1135, 230868), (1166, 224730), (1210, 216558), (1362, 192390), (1452, 180465), (1590, 164802), (1749, 149820), (1815, 144372), (1908, 137335), (1980, 132341), (2043, 128260), (2178, 120310), (2270, 115434), (2332, 112365), (2385, 109868), (2420, 108279), (2497, 104940), (2724, 96195), (2915, 89892), (3180, 82401), (3405, 76956), (3498, 74910), (3630, 72186), (4086, 64130), (4356, 60155), (4540, 57717), (4770, 54934), (4994, 52470), (5247, 49940), (5445, 48124), (5830, 44946), (6413, 40860), (6810, 38478), (6996, 37455), (7260, 36093), (7491, 34980), (8172, 32065), (8745, 29964), (9540, 27467), (9988, 26235), (10215, 25652), (10494, 24970), (10890, 24062), (11660, 22473), (12031, 21780), (12485, 20988), (12826, 20430), (13620, 19239), (14982, 17490)]