2251316720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{11491}}^1$

素因数の和:11614

約数の個数: 80

約数和(自身を含む): 5472030720

約数和(自身を除く): 3220714000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 79, 80, 124, 155, 158, 248, 310, 316, 395, 496, 620, 632, 790, 1240, 1264, 1580, 2449, 2480, 3160, 4898, 6320, 9796, 11491, 12245, 19592, 22982, 24490, 39184, 45964, 48980, 57455, 91928, 97960, 114910, 183856, 195920, 229820, 356221, 459640, 712442, 907789, 919280, 1424884, 1781105, 1815578, 2849768, 3562210, 3631156, 4538945, 5699536, 7124420, 7262312, 9077890, 14248840, 14524624, 18155780, 28141459, 28497680, 36311560, 56282918, 72623120, 112565836, 140707295, 225131672, 281414590, 450263344, 562829180, 1125658360, 2251316720]

約数ペア:

[(1, 2251316720), (2, 1125658360), (4, 562829180), (5, 450263344), (8, 281414590), (10, 225131672), (16, 140707295), (20, 112565836), (31, 72623120), (40, 56282918), (62, 36311560), (79, 28497680), (80, 28141459), (124, 18155780), (155, 14524624), (158, 14248840), (248, 9077890), (310, 7262312), (316, 7124420), (395, 5699536), (496, 4538945), (620, 3631156), (632, 3562210), (790, 2849768), (1240, 1815578), (1264, 1781105), (1580, 1424884), (2449, 919280), (2480, 907789), (3160, 712442), (4898, 459640), (6320, 356221), (9796, 229820), (11491, 195920), (12245, 183856), (19592, 114910), (22982, 97960), (24490, 91928), (39184, 57455), (45964, 48980)]