216947640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19867}}^1$

素因数の和:19901

約数の個数: 128

約数和(自身を含む): 801077760

約数和(自身を除く): 584130120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 19867, 39734, 59601, 79468, 99335, 119202, 139069, 158936, 198670, 238404, 258271, 278138, 298005, 397340, 417207, 476808, 516542, 556276, 596010, 695345, 774813, 794680, 834414, 1033084, 1112552, 1192020, 1291355, 1390690, 1549626, 1668828, 1807897, 2066168, 2086035, 2384040, 2582710, 2781380, 3099252, 3337656, 3615794, 3874065, 4172070, 5165420, 5423691, 5562760, 6198504, 7231588, 7748130, 8344140, 9039485, 10330840, 10847382, 14463176, 15496260, 16688280, 18078970, 21694764, 27118455, 30992520, 36157940, 43389528, 54236910, 72315880, 108473820, 216947640]

約数ペア:

[(1, 216947640), (2, 108473820), (3, 72315880), (4, 54236910), (5, 43389528), (6, 36157940), (7, 30992520), (8, 27118455), (10, 21694764), (12, 18078970), (13, 16688280), (14, 15496260), (15, 14463176), (20, 10847382), (21, 10330840), (24, 9039485), (26, 8344140), (28, 7748130), (30, 7231588), (35, 6198504), (39, 5562760), (40, 5423691), (42, 5165420), (52, 4172070), (56, 3874065), (60, 3615794), (65, 3337656), (70, 3099252), (78, 2781380), (84, 2582710), (91, 2384040), (104, 2086035), (105, 2066168), (120, 1807897), (130, 1668828), (140, 1549626), (156, 1390690), (168, 1291355), (182, 1192020), (195, 1112552), (210, 1033084), (260, 834414), (273, 794680), (280, 774813), (312, 695345), (364, 596010), (390, 556276), (420, 516542), (455, 476808), (520, 417207), (546, 397340), (728, 298005), (780, 278138), (840, 258271), (910, 238404), (1092, 198670), (1365, 158936), (1560, 139069), (1820, 119202), (2184, 99335), (2730, 79468), (3640, 59601), (5460, 39734), (10920, 19867)]