1666822920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1153}}^1\times {\mathrm{1721}}^1$

素因数の和:2895

約数の個数: 128

約数和(自身を含む): 5723101440

約数和(自身を除く): 4056278520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1153, 1721, 2306, 3442, 3459, 4612, 5163, 5765, 6884, 6918, 8071, 8605, 9224, 10326, 11530, 12047, 13768, 13836, 16142, 17210, 17295, 20652, 23060, 24094, 24213, 25815, 27672, 32284, 34420, 34590, 36141, 40355, 41304, 46120, 48188, 48426, 51630, 60235, 64568, 68840, 69180, 72282, 80710, 96376, 96852, 103260, 120470, 121065, 138360, 144564, 161420, 180705, 193704, 206520, 240940, 242130, 289128, 322840, 361410, 481880, 484260, 722820, 968520, 1445640, 1984313, 3968626, 5952939, 7937252, 9921565, 11905878, 13890191, 15874504, 19843130, 23811756, 27780382, 29764695, 39686260, 41670573, 47623512, 55560764, 59529390, 69450955, 79372520, 83341146, 111121528, 119058780, 138901910, 166682292, 208352865, 238117560, 277803820, 333364584, 416705730, 555607640, 833411460, 1666822920]

約数ペア:

[(1, 1666822920), (2, 833411460), (3, 555607640), (4, 416705730), (5, 333364584), (6, 277803820), (7, 238117560), (8, 208352865), (10, 166682292), (12, 138901910), (14, 119058780), (15, 111121528), (20, 83341146), (21, 79372520), (24, 69450955), (28, 59529390), (30, 55560764), (35, 47623512), (40, 41670573), (42, 39686260), (56, 29764695), (60, 27780382), (70, 23811756), (84, 19843130), (105, 15874504), (120, 13890191), (140, 11905878), (168, 9921565), (210, 7937252), (280, 5952939), (420, 3968626), (840, 1984313), (1153, 1445640), (1721, 968520), (2306, 722820), (3442, 484260), (3459, 481880), (4612, 361410), (5163, 322840), (5765, 289128), (6884, 242130), (6918, 240940), (8071, 206520), (8605, 193704), (9224, 180705), (10326, 161420), (11530, 144564), (12047, 138360), (13768, 121065), (13836, 120470), (16142, 103260), (17210, 96852), (17295, 96376), (20652, 80710), (23060, 72282), (24094, 69180), (24213, 68840), (25815, 64568), (27672, 60235), (32284, 51630), (34420, 48426), (34590, 48188), (36141, 46120), (40355, 41304)]