210204780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{727}}^1$

素因数の和:879

約数の個数: 96

約数和(自身を含む): 606627840

約数和(自身を除く): 396423060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 79, 122, 158, 183, 237, 244, 305, 316, 366, 395, 474, 610, 727, 732, 790, 915, 948, 1185, 1220, 1454, 1580, 1830, 2181, 2370, 2908, 3635, 3660, 4362, 4740, 4819, 7270, 8724, 9638, 10905, 14457, 14540, 19276, 21810, 24095, 28914, 43620, 44347, 48190, 57433, 57828, 72285, 88694, 96380, 114866, 133041, 144570, 172299, 177388, 221735, 229732, 266082, 287165, 289140, 344598, 443470, 532164, 574330, 665205, 689196, 861495, 886940, 1148660, 1330410, 1722990, 2660820, 3445980, 3503413, 7006826, 10510239, 14013652, 17517065, 21020478, 35034130, 42040956, 52551195, 70068260, 105102390, 210204780]

約数ペア:

[(1, 210204780), (2, 105102390), (3, 70068260), (4, 52551195), (5, 42040956), (6, 35034130), (10, 21020478), (12, 17517065), (15, 14013652), (20, 10510239), (30, 7006826), (60, 3503413), (61, 3445980), (79, 2660820), (122, 1722990), (158, 1330410), (183, 1148660), (237, 886940), (244, 861495), (305, 689196), (316, 665205), (366, 574330), (395, 532164), (474, 443470), (610, 344598), (727, 289140), (732, 287165), (790, 266082), (915, 229732), (948, 221735), (1185, 177388), (1220, 172299), (1454, 144570), (1580, 133041), (1830, 114866), (2181, 96380), (2370, 88694), (2908, 72285), (3635, 57828), (3660, 57433), (4362, 48190), (4740, 44347), (4819, 43620), (7270, 28914), (8724, 24095), (9638, 21810), (10905, 19276), (14457, 14540)]