53781780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{191}}^1$

素因数の和:254

約数の個数: 144

約数和(自身を含む): 172053504

約数和(自身を除く): 118271724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 191, 195, 228, 247, 260, 285, 361, 380, 382, 390, 494, 570, 573, 722, 741, 764, 780, 955, 988, 1083, 1140, 1146, 1235, 1444, 1482, 1805, 1910, 2166, 2292, 2470, 2483, 2865, 2964, 3610, 3629, 3705, 3820, 4332, 4693, 4940, 4966, 5415, 5730, 7220, 7258, 7410, 7449, 9386, 9932, 10830, 10887, 11460, 12415, 14079, 14516, 14820, 14898, 18145, 18772, 21660, 21774, 23465, 24830, 28158, 29796, 36290, 37245, 43548, 46930, 47177, 49660, 54435, 56316, 68951, 70395, 72580, 74490, 93860, 94354, 108870, 137902, 140790, 141531, 148980, 188708, 206853, 217740, 235885, 275804, 281580, 283062, 344755, 413706, 471770, 566124, 689510, 707655, 827412, 896363, 943540, 1034265, 1379020, 1415310, 1792726, 2068530, 2689089, 2830620, 3585452, 4137060, 4481815, 5378178, 8963630, 10756356, 13445445, 17927260, 26890890, 53781780]

約数ペア:

[(1, 53781780), (2, 26890890), (3, 17927260), (4, 13445445), (5, 10756356), (6, 8963630), (10, 5378178), (12, 4481815), (13, 4137060), (15, 3585452), (19, 2830620), (20, 2689089), (26, 2068530), (30, 1792726), (38, 1415310), (39, 1379020), (52, 1034265), (57, 943540), (60, 896363), (65, 827412), (76, 707655), (78, 689510), (95, 566124), (114, 471770), (130, 413706), (156, 344755), (190, 283062), (191, 281580), (195, 275804), (228, 235885), (247, 217740), (260, 206853), (285, 188708), (361, 148980), (380, 141531), (382, 140790), (390, 137902), (494, 108870), (570, 94354), (573, 93860), (722, 74490), (741, 72580), (764, 70395), (780, 68951), (955, 56316), (988, 54435), (1083, 49660), (1140, 47177), (1146, 46930), (1235, 43548), (1444, 37245), (1482, 36290), (1805, 29796), (1910, 28158), (2166, 24830), (2292, 23465), (2470, 21774), (2483, 21660), (2865, 18772), (2964, 18145), (3610, 14898), (3629, 14820), (3705, 14516), (3820, 14079), (4332, 12415), (4693, 11460), (4940, 10887), (4966, 10830), (5415, 9932), (5730, 9386), (7220, 7449), (7258, 7410)]