278864430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{42061}}^1$

素因数の和:42101

約数の個数: 64

約数和(自身を含む): 763172928

約数和(自身を除く): 484308498

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 6630, 42061, 84122, 126183, 210305, 252366, 420610, 546793, 630915, 715037, 1093586, 1261830, 1430074, 1640379, 2145111, 2733965, 3280758, 3575185, 4290222, 5467930, 7150370, 8201895, 9295481, 10725555, 16403790, 18590962, 21451110, 27886443, 46477405, 55772886, 92954810, 139432215, 278864430]

約数ペア:

[(1, 278864430), (2, 139432215), (3, 92954810), (5, 55772886), (6, 46477405), (10, 27886443), (13, 21451110), (15, 18590962), (17, 16403790), (26, 10725555), (30, 9295481), (34, 8201895), (39, 7150370), (51, 5467930), (65, 4290222), (78, 3575185), (85, 3280758), (102, 2733965), (130, 2145111), (170, 1640379), (195, 1430074), (221, 1261830), (255, 1093586), (390, 715037), (442, 630915), (510, 546793), (663, 420610), (1105, 252366), (1326, 210305), (2210, 126183), (3315, 84122), (6630, 42061)]