127123640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{821}}^1$

素因数の和:925

約数の個数: 96

約数和(自身を含む): 337348800

約数和(自身を除く): 210225160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 79, 98, 140, 158, 196, 245, 280, 316, 392, 395, 490, 553, 632, 790, 821, 980, 1106, 1580, 1642, 1960, 2212, 2765, 3160, 3284, 3871, 4105, 4424, 5530, 5747, 6568, 7742, 8210, 11060, 11494, 15484, 16420, 19355, 22120, 22988, 28735, 30968, 32840, 38710, 40229, 45976, 57470, 64859, 77420, 80458, 114940, 129718, 154840, 160916, 201145, 229880, 259436, 321832, 324295, 402290, 454013, 518872, 648590, 804580, 908026, 1297180, 1609160, 1816052, 2270065, 2594360, 3178091, 3632104, 4540130, 6356182, 9080260, 12712364, 15890455, 18160520, 25424728, 31780910, 63561820, 127123640]

約数ペア:

[(1, 127123640), (2, 63561820), (4, 31780910), (5, 25424728), (7, 18160520), (8, 15890455), (10, 12712364), (14, 9080260), (20, 6356182), (28, 4540130), (35, 3632104), (40, 3178091), (49, 2594360), (56, 2270065), (70, 1816052), (79, 1609160), (98, 1297180), (140, 908026), (158, 804580), (196, 648590), (245, 518872), (280, 454013), (316, 402290), (392, 324295), (395, 321832), (490, 259436), (553, 229880), (632, 201145), (790, 160916), (821, 154840), (980, 129718), (1106, 114940), (1580, 80458), (1642, 77420), (1960, 64859), (2212, 57470), (2765, 45976), (3160, 40229), (3284, 38710), (3871, 32840), (4105, 30968), (4424, 28735), (5530, 22988), (5747, 22120), (6568, 19355), (7742, 16420), (8210, 15484), (11060, 11494)]