291345180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2417}}^1$

素因数の和:2484

約数の個数: 144

約数和(自身を含む): 972500256

約数和(自身を除く): 681155076

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 49, 60, 70, 82, 84, 98, 105, 123, 140, 147, 164, 196, 205, 210, 245, 246, 287, 294, 410, 420, 490, 492, 574, 588, 615, 735, 820, 861, 980, 1148, 1230, 1435, 1470, 1722, 2009, 2417, 2460, 2870, 2940, 3444, 4018, 4305, 4834, 5740, 6027, 7251, 8036, 8610, 9668, 10045, 12054, 12085, 14502, 16919, 17220, 20090, 24108, 24170, 29004, 30135, 33838, 36255, 40180, 48340, 50757, 60270, 67676, 72510, 84595, 99097, 101514, 118433, 120540, 145020, 169190, 198194, 203028, 236866, 253785, 297291, 338380, 355299, 396388, 473732, 495485, 507570, 592165, 594582, 693679, 710598, 990970, 1015140, 1184330, 1189164, 1387358, 1421196, 1486455, 1776495, 1981940, 2081037, 2368660, 2774716, 2972910, 3468395, 3552990, 4162074, 4855753, 5945820, 6936790, 7105980, 8324148, 9711506, 10405185, 13873580, 14567259, 19423012, 20810370, 24278765, 29134518, 41620740, 48557530, 58269036, 72836295, 97115060, 145672590, 291345180]

約数ペア:

[(1, 291345180), (2, 145672590), (3, 97115060), (4, 72836295), (5, 58269036), (6, 48557530), (7, 41620740), (10, 29134518), (12, 24278765), (14, 20810370), (15, 19423012), (20, 14567259), (21, 13873580), (28, 10405185), (30, 9711506), (35, 8324148), (41, 7105980), (42, 6936790), (49, 5945820), (60, 4855753), (70, 4162074), (82, 3552990), (84, 3468395), (98, 2972910), (105, 2774716), (123, 2368660), (140, 2081037), (147, 1981940), (164, 1776495), (196, 1486455), (205, 1421196), (210, 1387358), (245, 1189164), (246, 1184330), (287, 1015140), (294, 990970), (410, 710598), (420, 693679), (490, 594582), (492, 592165), (574, 507570), (588, 495485), (615, 473732), (735, 396388), (820, 355299), (861, 338380), (980, 297291), (1148, 253785), (1230, 236866), (1435, 203028), (1470, 198194), (1722, 169190), (2009, 145020), (2417, 120540), (2460, 118433), (2870, 101514), (2940, 99097), (3444, 84595), (4018, 72510), (4305, 67676), (4834, 60270), (5740, 50757), (6027, 48340), (7251, 40180), (8036, 36255), (8610, 33838), (9668, 30135), (10045, 29004), (12054, 24170), (12085, 24108), (14502, 20090), (16919, 17220)]