388061640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{2069}}^1$

素因数の和:2607

約数の個数: 96

約数和(自身を含む): 1264231800

約数和(自身を除く): 876170160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 521, 1042, 1563, 2069, 2084, 2605, 3126, 4138, 4168, 4689, 5210, 6207, 6252, 7815, 8276, 9378, 10345, 10420, 12414, 12504, 15630, 16552, 18621, 18756, 20690, 20840, 23445, 24828, 31035, 31260, 37242, 37512, 41380, 46890, 49656, 62070, 62520, 74484, 82760, 93105, 93780, 124140, 148968, 186210, 187560, 248280, 372420, 744840, 1077949, 2155898, 3233847, 4311796, 5389745, 6467694, 8623592, 9701541, 10779490, 12935388, 16169235, 19403082, 21558980, 25870776, 32338470, 38806164, 43117960, 48507705, 64676940, 77612328, 97015410, 129353880, 194030820, 388061640]

約数ペア:

[(1, 388061640), (2, 194030820), (3, 129353880), (4, 97015410), (5, 77612328), (6, 64676940), (8, 48507705), (9, 43117960), (10, 38806164), (12, 32338470), (15, 25870776), (18, 21558980), (20, 19403082), (24, 16169235), (30, 12935388), (36, 10779490), (40, 9701541), (45, 8623592), (60, 6467694), (72, 5389745), (90, 4311796), (120, 3233847), (180, 2155898), (360, 1077949), (521, 744840), (1042, 372420), (1563, 248280), (2069, 187560), (2084, 186210), (2605, 148968), (3126, 124140), (4138, 93780), (4168, 93105), (4689, 82760), (5210, 74484), (6207, 62520), (6252, 62070), (7815, 49656), (8276, 46890), (9378, 41380), (10345, 37512), (10420, 37242), (12414, 31260), (12504, 31035), (15630, 24828), (16552, 23445), (18621, 20840), (18756, 20690)]