278766540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{119131}}^1$

素因数の和:119159

約数の個数: 72

約数和(自身を含む): 910645008

約数和(自身を除く): 631878468

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, 119131, 238262, 357393, 476524, 595655, 714786, 1072179, 1191310, 1429572, 1548703, 1786965, 2144358, 2382620, 3097406, 3573930, 4288716, 4646109, 5360895, 6194812, 7147860, 7743515, 9292218, 10721790, 13938327, 15487030, 18584436, 21443580, 23230545, 27876654, 30974060, 46461090, 55753308, 69691635, 92922180, 139383270, 278766540]

約数ペア:

[(1, 278766540), (2, 139383270), (3, 92922180), (4, 69691635), (5, 55753308), (6, 46461090), (9, 30974060), (10, 27876654), (12, 23230545), (13, 21443580), (15, 18584436), (18, 15487030), (20, 13938327), (26, 10721790), (30, 9292218), (36, 7743515), (39, 7147860), (45, 6194812), (52, 5360895), (60, 4646109), (65, 4288716), (78, 3573930), (90, 3097406), (117, 2382620), (130, 2144358), (156, 1786965), (180, 1548703), (195, 1429572), (234, 1191310), (260, 1072179), (390, 714786), (468, 595655), (585, 476524), (780, 357393), (1170, 238262), (2340, 119131)]