4478480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:156

約数の個数: 80

約数和(自身を含む): 11450160

約数和(自身を除く): 6971680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 37, 40, 68, 74, 80, 85, 89, 136, 148, 170, 178, 185, 272, 296, 340, 356, 370, 445, 592, 629, 680, 712, 740, 890, 1258, 1360, 1424, 1480, 1513, 1780, 2516, 2960, 3026, 3145, 3293, 3560, 5032, 6052, 6290, 6586, 7120, 7565, 10064, 12104, 12580, 13172, 15130, 16465, 24208, 25160, 26344, 30260, 32930, 50320, 52688, 55981, 60520, 65860, 111962, 121040, 131720, 223924, 263440, 279905, 447848, 559810, 895696, 1119620, 2239240, 4478480]

約数ペア:

[(1, 4478480), (2, 2239240), (4, 1119620), (5, 895696), (8, 559810), (10, 447848), (16, 279905), (17, 263440), (20, 223924), (34, 131720), (37, 121040), (40, 111962), (68, 65860), (74, 60520), (80, 55981), (85, 52688), (89, 50320), (136, 32930), (148, 30260), (170, 26344), (178, 25160), (185, 24208), (272, 16465), (296, 15130), (340, 13172), (356, 12580), (370, 12104), (445, 10064), (592, 7565), (629, 7120), (680, 6586), (712, 6290), (740, 6052), (890, 5032), (1258, 3560), (1360, 3293), (1424, 3145), (1480, 3026), (1513, 2960), (1780, 2516)]