6687460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 16246440

約数和(自身を除く): 9558980

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 89, 130, 170, 178, 221, 260, 289, 340, 356, 442, 445, 578, 884, 890, 1105, 1156, 1157, 1445, 1513, 1780, 2210, 2314, 2890, 3026, 3757, 4420, 4628, 5780, 5785, 6052, 7514, 7565, 11570, 15028, 15130, 18785, 19669, 23140, 25721, 30260, 37570, 39338, 51442, 75140, 78676, 98345, 102884, 128605, 196690, 257210, 334373, 393380, 514420, 668746, 1337492, 1671865, 3343730, 6687460]

約数ペア:

[(1, 6687460), (2, 3343730), (4, 1671865), (5, 1337492), (10, 668746), (13, 514420), (17, 393380), (20, 334373), (26, 257210), (34, 196690), (52, 128605), (65, 102884), (68, 98345), (85, 78676), (89, 75140), (130, 51442), (170, 39338), (178, 37570), (221, 30260), (260, 25721), (289, 23140), (340, 19669), (356, 18785), (442, 15130), (445, 15028), (578, 11570), (884, 7565), (890, 7514), (1105, 6052), (1156, 5785), (1157, 5780), (1445, 4628), (1513, 4420), (1780, 3757), (2210, 3026), (2314, 2890)]