78568020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:350

約数の個数: 144

約数和(自身を含む): 250967808

約数和(自身を除く): 172399788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 47, 60, 74, 90, 94, 111, 141, 148, 180, 185, 188, 222, 235, 251, 282, 333, 370, 423, 444, 470, 502, 555, 564, 666, 705, 740, 753, 846, 940, 1004, 1110, 1255, 1332, 1410, 1506, 1665, 1692, 1739, 2115, 2220, 2259, 2510, 2820, 3012, 3330, 3478, 3765, 4230, 4518, 5020, 5217, 6660, 6956, 7530, 8460, 8695, 9036, 9287, 10434, 11295, 11797, 15060, 15651, 17390, 18574, 20868, 22590, 23594, 26085, 27861, 31302, 34780, 35391, 37148, 45180, 46435, 47188, 52170, 55722, 58985, 62604, 70782, 78255, 83583, 92870, 104340, 106173, 111444, 117970, 139305, 141564, 156510, 167166, 176955, 185740, 212346, 235940, 278610, 313020, 334332, 353910, 417915, 424692, 436489, 530865, 557220, 707820, 835830, 872978, 1061730, 1309467, 1671660, 1745956, 2123460, 2182445, 2618934, 3928401, 4364890, 5237868, 6547335, 7856802, 8729780, 13094670, 15713604, 19642005, 26189340, 39284010, 78568020]

約数ペア:

[(1, 78568020), (2, 39284010), (3, 26189340), (4, 19642005), (5, 15713604), (6, 13094670), (9, 8729780), (10, 7856802), (12, 6547335), (15, 5237868), (18, 4364890), (20, 3928401), (30, 2618934), (36, 2182445), (37, 2123460), (45, 1745956), (47, 1671660), (60, 1309467), (74, 1061730), (90, 872978), (94, 835830), (111, 707820), (141, 557220), (148, 530865), (180, 436489), (185, 424692), (188, 417915), (222, 353910), (235, 334332), (251, 313020), (282, 278610), (333, 235940), (370, 212346), (423, 185740), (444, 176955), (470, 167166), (502, 156510), (555, 141564), (564, 139305), (666, 117970), (705, 111444), (740, 106173), (753, 104340), (846, 92870), (940, 83583), (1004, 78255), (1110, 70782), (1255, 62604), (1332, 58985), (1410, 55722), (1506, 52170), (1665, 47188), (1692, 46435), (1739, 45180), (2115, 37148), (2220, 35391), (2259, 34780), (2510, 31302), (2820, 27861), (3012, 26085), (3330, 23594), (3478, 22590), (3765, 20868), (4230, 18574), (4518, 17390), (5020, 15651), (5217, 15060), (6660, 11797), (6956, 11295), (7530, 10434), (8460, 9287), (8695, 9036)]