205711740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87911}}^1$

素因数の和:87939

約数の個数: 72

約数和(自身を含む): 671999328

約数和(自身を除く): 466287588

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, 87911, 175822, 263733, 351644, 439555, 527466, 791199, 879110, 1054932, 1142843, 1318665, 1582398, 1758220, 2285686, 2637330, 3164796, 3428529, 3955995, 4571372, 5274660, 5714215, 6857058, 7911990, 10285587, 11428430, 13714116, 15823980, 17142645, 20571174, 22856860, 34285290, 41142348, 51427935, 68570580, 102855870, 205711740]

約数ペア:

[(1, 205711740), (2, 102855870), (3, 68570580), (4, 51427935), (5, 41142348), (6, 34285290), (9, 22856860), (10, 20571174), (12, 17142645), (13, 15823980), (15, 13714116), (18, 11428430), (20, 10285587), (26, 7911990), (30, 6857058), (36, 5714215), (39, 5274660), (45, 4571372), (52, 3955995), (60, 3428529), (65, 3164796), (78, 2637330), (90, 2285686), (117, 1758220), (130, 1582398), (156, 1318665), (180, 1142843), (195, 1054932), (234, 879110), (260, 791199), (390, 527466), (468, 439555), (585, 351644), (780, 263733), (1170, 175822), (2340, 87911)]