65754980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 154314720

約数和(自身を除く): 88559740

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 53, 68, 82, 85, 89, 106, 164, 170, 178, 205, 212, 265, 340, 356, 410, 445, 530, 697, 820, 890, 901, 1060, 1394, 1513, 1780, 1802, 2173, 2788, 3026, 3485, 3604, 3649, 4346, 4505, 4717, 6052, 6970, 7298, 7565, 8692, 9010, 9434, 10865, 13940, 14596, 15130, 18020, 18245, 18868, 21730, 23585, 30260, 36490, 36941, 43460, 47170, 62033, 72980, 73882, 80189, 94340, 124066, 147764, 160378, 184705, 193397, 248132, 310165, 320756, 369410, 386794, 400945, 620330, 738820, 773588, 801890, 966985, 1240660, 1603780, 1933970, 3287749, 3867940, 6575498, 13150996, 16438745, 32877490, 65754980]

約数ペア:

[(1, 65754980), (2, 32877490), (4, 16438745), (5, 13150996), (10, 6575498), (17, 3867940), (20, 3287749), (34, 1933970), (41, 1603780), (53, 1240660), (68, 966985), (82, 801890), (85, 773588), (89, 738820), (106, 620330), (164, 400945), (170, 386794), (178, 369410), (205, 320756), (212, 310165), (265, 248132), (340, 193397), (356, 184705), (410, 160378), (445, 147764), (530, 124066), (697, 94340), (820, 80189), (890, 73882), (901, 72980), (1060, 62033), (1394, 47170), (1513, 43460), (1780, 36941), (1802, 36490), (2173, 30260), (2788, 23585), (3026, 21730), (3485, 18868), (3604, 18245), (3649, 18020), (4346, 15130), (4505, 14596), (4717, 13940), (6052, 10865), (6970, 9434), (7298, 9010), (7565, 8692)]