1331507320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13693}}^1$

素因数の和:13745

約数の個数: 128

約数和(自身を含む): 3726959040

約数和(自身を除く): 2395451720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 17, 20, 22, 26, 34, 40, 44, 52, 55, 65, 68, 85, 88, 104, 110, 130, 136, 143, 170, 187, 220, 221, 260, 286, 340, 374, 440, 442, 520, 572, 680, 715, 748, 884, 935, 1105, 1144, 1430, 1496, 1768, 1870, 2210, 2431, 2860, 3740, 4420, 4862, 5720, 7480, 8840, 9724, 12155, 13693, 19448, 24310, 27386, 48620, 54772, 68465, 97240, 109544, 136930, 150623, 178009, 232781, 273860, 301246, 356018, 465562, 547720, 602492, 712036, 753115, 890045, 931124, 1163905, 1204984, 1424072, 1506230, 1780090, 1862248, 1958099, 2327810, 2560591, 3012460, 3026153, 3560180, 3916198, 4655620, 5121182, 6024920, 6052306, 7120360, 7832396, 9311240, 9790495, 10242364, 12104612, 12802955, 15130765, 15664792, 19580990, 20484728, 24209224, 25605910, 30261530, 33287683, 39161980, 51211820, 60523060, 66575366, 78323960, 102423640, 121046120, 133150732, 166438415, 266301464, 332876830, 665753660, 1331507320]

約数ペア:

[(1, 1331507320), (2, 665753660), (4, 332876830), (5, 266301464), (8, 166438415), (10, 133150732), (11, 121046120), (13, 102423640), (17, 78323960), (20, 66575366), (22, 60523060), (26, 51211820), (34, 39161980), (40, 33287683), (44, 30261530), (52, 25605910), (55, 24209224), (65, 20484728), (68, 19580990), (85, 15664792), (88, 15130765), (104, 12802955), (110, 12104612), (130, 10242364), (136, 9790495), (143, 9311240), (170, 7832396), (187, 7120360), (220, 6052306), (221, 6024920), (260, 5121182), (286, 4655620), (340, 3916198), (374, 3560180), (440, 3026153), (442, 3012460), (520, 2560591), (572, 2327810), (680, 1958099), (715, 1862248), (748, 1780090), (884, 1506230), (935, 1424072), (1105, 1204984), (1144, 1163905), (1430, 931124), (1496, 890045), (1768, 753115), (1870, 712036), (2210, 602492), (2431, 547720), (2860, 465562), (3740, 356018), (4420, 301246), (4862, 273860), (5720, 232781), (7480, 178009), (8840, 150623), (9724, 136930), (12155, 109544), (13693, 97240), (19448, 68465), (24310, 54772), (27386, 48620)]