81851490

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{751}}^1$

素因数の和:944

約数の個数: 96

約数和(自身を含む): 244947456

約数和(自身を除く): 163095966

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 173, 210, 315, 346, 519, 630, 751, 865, 1038, 1211, 1502, 1557, 1730, 2253, 2422, 2595, 3114, 3633, 3755, 4506, 5190, 5257, 6055, 6759, 7266, 7510, 7785, 10514, 10899, 11265, 12110, 13518, 15570, 15771, 18165, 21798, 22530, 26285, 31542, 33795, 36330, 47313, 52570, 54495, 67590, 78855, 94626, 108990, 129923, 157710, 236565, 259846, 389769, 473130, 649615, 779538, 909461, 1169307, 1299230, 1818922, 1948845, 2338614, 2728383, 3897690, 4547305, 5456766, 5846535, 8185149, 9094610, 11693070, 13641915, 16370298, 27283830, 40925745, 81851490]

約数ペア:

[(1, 81851490), (2, 40925745), (3, 27283830), (5, 16370298), (6, 13641915), (7, 11693070), (9, 9094610), (10, 8185149), (14, 5846535), (15, 5456766), (18, 4547305), (21, 3897690), (30, 2728383), (35, 2338614), (42, 1948845), (45, 1818922), (63, 1299230), (70, 1169307), (90, 909461), (105, 779538), (126, 649615), (173, 473130), (210, 389769), (315, 259846), (346, 236565), (519, 157710), (630, 129923), (751, 108990), (865, 94626), (1038, 78855), (1211, 67590), (1502, 54495), (1557, 52570), (1730, 47313), (2253, 36330), (2422, 33795), (2595, 31542), (3114, 26285), (3633, 22530), (3755, 21798), (4506, 18165), (5190, 15771), (5257, 15570), (6055, 13518), (6759, 12110), (7266, 11265), (7510, 10899), (7785, 10514)]