31234015280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{787}}^1\times {\mathrm{1231}}^1$

素因数の和:2075

約数の個数: 160

約数和(自身を含む): 80896155648

約数和(自身を除く): 49662140368

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 787, 806, 1040, 1231, 1240, 1574, 1612, 2015, 2462, 2480, 3148, 3224, 3935, 4030, 4924, 6155, 6296, 6448, 7870, 8060, 9848, 10231, 12310, 12592, 15740, 16003, 16120, 19696, 20462, 24397, 24620, 31480, 32006, 32240, 38161, 40924, 48794, 49240, 51155, 62960, 64012, 76322, 80015, 81848, 97588, 98480, 102310, 121985, 128024, 152644, 160030, 163696, 190805, 195176, 204620, 243970, 256048, 305288, 317161, 320060, 381610, 390352, 409240, 487940, 496093, 610576, 634322, 640120, 763220, 818480, 968797, 975880, 992186, 1268644, 1280240, 1526440, 1585805, 1937594, 1951760, 1984372, 2480465, 2537288, 3052880, 3171610, 3875188, 3968744, 4843985, 4960930, 5074576, 6343220, 7750376, 7937488, 9687970, 9921860, 12594361, 12686440, 15500752, 19375940, 19843720, 25188722, 25372880, 30032707, 38751880, 39687440, 50377444, 60065414, 62971805, 77503760, 100754888, 120130828, 125943610, 150163535, 201509776, 240261656, 251887220, 300327070, 390425191, 480523312, 503774440, 600654140, 780850382, 1007548880, 1201308280, 1561700764, 1952125955, 2402616560, 3123401528, 3904251910, 6246803056, 7808503820, 15617007640, 31234015280]

約数ペア:

[(1, 31234015280), (2, 15617007640), (4, 7808503820), (5, 6246803056), (8, 3904251910), (10, 3123401528), (13, 2402616560), (16, 1952125955), (20, 1561700764), (26, 1201308280), (31, 1007548880), (40, 780850382), (52, 600654140), (62, 503774440), (65, 480523312), (80, 390425191), (104, 300327070), (124, 251887220), (130, 240261656), (155, 201509776), (208, 150163535), (248, 125943610), (260, 120130828), (310, 100754888), (403, 77503760), (496, 62971805), (520, 60065414), (620, 50377444), (787, 39687440), (806, 38751880), (1040, 30032707), (1231, 25372880), (1240, 25188722), (1574, 19843720), (1612, 19375940), (2015, 15500752), (2462, 12686440), (2480, 12594361), (3148, 9921860), (3224, 9687970), (3935, 7937488), (4030, 7750376), (4924, 6343220), (6155, 5074576), (6296, 4960930), (6448, 4843985), (7870, 3968744), (8060, 3875188), (9848, 3171610), (10231, 3052880), (12310, 2537288), (12592, 2480465), (15740, 1984372), (16003, 1951760), (16120, 1937594), (19696, 1585805), (20462, 1526440), (24397, 1280240), (24620, 1268644), (31480, 992186), (32006, 975880), (32240, 968797), (38161, 818480), (40924, 763220), (48794, 640120), (49240, 634322), (51155, 610576), (62960, 496093), (64012, 487940), (76322, 409240), (80015, 390352), (81848, 381610), (97588, 320060), (98480, 317161), (102310, 305288), (121985, 256048), (128024, 243970), (152644, 204620), (160030, 195176), (163696, 190805)]