80506900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 202487040

約数和(自身を除く): 121980140

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 25, 29, 34, 46, 50, 58, 68, 71, 85, 92, 100, 115, 116, 142, 145, 170, 230, 284, 290, 340, 355, 391, 425, 460, 493, 575, 580, 667, 710, 725, 782, 850, 986, 1150, 1207, 1334, 1420, 1450, 1564, 1633, 1700, 1775, 1955, 1972, 2059, 2300, 2414, 2465, 2668, 2900, 3266, 3335, 3550, 3910, 4118, 4828, 4930, 6035, 6532, 6670, 7100, 7820, 8165, 8236, 9775, 9860, 10295, 11339, 12070, 12325, 13340, 16330, 16675, 19550, 20590, 22678, 24140, 24650, 27761, 30175, 32660, 33350, 35003, 39100, 40825, 41180, 45356, 47357, 49300, 51475, 55522, 56695, 60350, 66700, 70006, 81650, 94714, 102950, 111044, 113390, 120700, 138805, 140012, 163300, 175015, 189428, 205900, 226780, 236785, 277610, 283475, 350030, 473570, 555220, 566950, 694025, 700060, 805069, 875075, 947140, 1133900, 1183925, 1388050, 1610138, 1750150, 2367850, 2776100, 3220276, 3500300, 4025345, 4735700, 8050690, 16101380, 20126725, 40253450, 80506900]

約数ペア:

[(1, 80506900), (2, 40253450), (4, 20126725), (5, 16101380), (10, 8050690), (17, 4735700), (20, 4025345), (23, 3500300), (25, 3220276), (29, 2776100), (34, 2367850), (46, 1750150), (50, 1610138), (58, 1388050), (68, 1183925), (71, 1133900), (85, 947140), (92, 875075), (100, 805069), (115, 700060), (116, 694025), (142, 566950), (145, 555220), (170, 473570), (230, 350030), (284, 283475), (290, 277610), (340, 236785), (355, 226780), (391, 205900), (425, 189428), (460, 175015), (493, 163300), (575, 140012), (580, 138805), (667, 120700), (710, 113390), (725, 111044), (782, 102950), (850, 94714), (986, 81650), (1150, 70006), (1207, 66700), (1334, 60350), (1420, 56695), (1450, 55522), (1564, 51475), (1633, 49300), (1700, 47357), (1775, 45356), (1955, 41180), (1972, 40825), (2059, 39100), (2300, 35003), (2414, 33350), (2465, 32660), (2668, 30175), (2900, 27761), (3266, 24650), (3335, 24140), (3550, 22678), (3910, 20590), (4118, 19550), (4828, 16675), (4930, 16330), (6035, 13340), (6532, 12325), (6670, 12070), (7100, 11339), (7820, 10295), (8165, 9860), (8236, 9775)]