15661115820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{12429457}}^1$

素因数の和:12429479

約数の個数: 72

約数和(自身を含む): 54291872544

約数和(自身を除く): 38630756724

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 12429457, 24858914, 37288371, 49717828, 62147285, 74576742, 87006199, 111865113, 124294570, 149153484, 174012398, 186441855, 223730226, 248589140, 261018597, 348024796, 372883710, 435030995, 447460452, 522037194, 559325565, 745767420, 783055791, 870061990, 1044074388, 1118651130, 1305092985, 1566111582, 1740123980, 2237302260, 2610185970, 3132223164, 3915278955, 5220371940, 7830557910, 15661115820]

約数ペア:

[(1, 15661115820), (2, 7830557910), (3, 5220371940), (4, 3915278955), (5, 3132223164), (6, 2610185970), (7, 2237302260), (9, 1740123980), (10, 1566111582), (12, 1305092985), (14, 1118651130), (15, 1044074388), (18, 870061990), (20, 783055791), (21, 745767420), (28, 559325565), (30, 522037194), (35, 447460452), (36, 435030995), (42, 372883710), (45, 348024796), (60, 261018597), (63, 248589140), (70, 223730226), (84, 186441855), (90, 174012398), (105, 149153484), (126, 124294570), (140, 111865113), (180, 87006199), (210, 74576742), (252, 62147285), (315, 49717828), (420, 37288371), (630, 24858914), (1260, 12429457)]