278906940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{119191}}^1$

素因数の和:119219

約数の個数: 72

約数和(自身を含む): 911103648

約数和(自身を除く): 632196708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 119191, 238382, 357573, 476764, 595955, 715146, 1072719, 1191910, 1430292, 1549483, 1787865, 2145438, 2383820, 3098966, 3575730, 4290876, 4648449, 5363595, 6197932, 7151460, 7747415, 9296898, 10727190, 13945347, 15494830, 18593796, 21454380, 23242245, 27890694, 30989660, 46484490, 55781388, 69726735, 92968980, 139453470, 278906940]

約数ペア:

[(1, 278906940), (2, 139453470), (3, 92968980), (4, 69726735), (5, 55781388), (6, 46484490), (9, 30989660), (10, 27890694), (12, 23242245), (13, 21454380), (15, 18593796), (18, 15494830), (20, 13945347), (26, 10727190), (30, 9296898), (36, 7747415), (39, 7151460), (45, 6197932), (52, 5363595), (60, 4648449), (65, 4290876), (78, 3575730), (90, 3098966), (117, 2383820), (130, 2145438), (156, 1787865), (180, 1549483), (195, 1430292), (234, 1191910), (260, 1072719), (390, 715146), (468, 595955), (585, 476764), (780, 357573), (1170, 238382), (2340, 119191)]