320502780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4723}}^1$

素因数の和:4780

約数の個数: 144

約数和(自身を含む): 1083307680

約数和(自身を除く): 762804900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 29, 30, 36, 39, 45, 52, 58, 60, 65, 78, 87, 90, 116, 117, 130, 145, 156, 174, 180, 195, 234, 260, 261, 290, 348, 377, 390, 435, 468, 522, 580, 585, 754, 780, 870, 1044, 1131, 1170, 1305, 1508, 1740, 1885, 2262, 2340, 2610, 3393, 3770, 4524, 4723, 5220, 5655, 6786, 7540, 9446, 11310, 13572, 14169, 16965, 18892, 22620, 23615, 28338, 33930, 42507, 47230, 56676, 61399, 67860, 70845, 85014, 94460, 122798, 136967, 141690, 170028, 184197, 212535, 245596, 273934, 283380, 306995, 368394, 410901, 425070, 547868, 552591, 613990, 684835, 736788, 821802, 850140, 920985, 1105182, 1227980, 1232703, 1369670, 1643604, 1780571, 1841970, 2054505, 2210364, 2465406, 2739340, 2762955, 3561142, 3683940, 4109010, 4930812, 5341713, 5525910, 6163515, 7122284, 8218020, 8902855, 10683426, 11051820, 12327030, 16025139, 17805710, 21366852, 24654060, 26708565, 32050278, 35611420, 53417130, 64100556, 80125695, 106834260, 160251390, 320502780]

約数ペア:

[(1, 320502780), (2, 160251390), (3, 106834260), (4, 80125695), (5, 64100556), (6, 53417130), (9, 35611420), (10, 32050278), (12, 26708565), (13, 24654060), (15, 21366852), (18, 17805710), (20, 16025139), (26, 12327030), (29, 11051820), (30, 10683426), (36, 8902855), (39, 8218020), (45, 7122284), (52, 6163515), (58, 5525910), (60, 5341713), (65, 4930812), (78, 4109010), (87, 3683940), (90, 3561142), (116, 2762955), (117, 2739340), (130, 2465406), (145, 2210364), (156, 2054505), (174, 1841970), (180, 1780571), (195, 1643604), (234, 1369670), (260, 1232703), (261, 1227980), (290, 1105182), (348, 920985), (377, 850140), (390, 821802), (435, 736788), (468, 684835), (522, 613990), (580, 552591), (585, 547868), (754, 425070), (780, 410901), (870, 368394), (1044, 306995), (1131, 283380), (1170, 273934), (1305, 245596), (1508, 212535), (1740, 184197), (1885, 170028), (2262, 141690), (2340, 136967), (2610, 122798), (3393, 94460), (3770, 85014), (4524, 70845), (4723, 67860), (5220, 61399), (5655, 56676), (6786, 47230), (7540, 42507), (9446, 33930), (11310, 28338), (13572, 23615), (14169, 22620), (16965, 18892)]