31579080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:711

約数の個数: 128

約数和(自身を含む): 105477120

約数和(自身を除く): 73898040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 653, 744, 780, 806, 930, 1209, 1240, 1306, 1560, 1612, 1860, 1959, 2015, 2418, 2612, 3224, 3265, 3720, 3918, 4030, 4836, 5224, 6045, 6530, 7836, 8060, 8489, 9672, 9795, 12090, 13060, 15672, 16120, 16978, 19590, 20243, 24180, 25467, 26120, 33956, 39180, 40486, 42445, 48360, 50934, 60729, 67912, 78360, 80972, 84890, 101215, 101868, 121458, 127335, 161944, 169780, 202430, 203736, 242916, 254670, 263159, 303645, 339560, 404860, 485832, 509340, 526318, 607290, 789477, 809720, 1018680, 1052636, 1214580, 1315795, 1578954, 2105272, 2429160, 2631590, 3157908, 3947385, 5263180, 6315816, 7894770, 10526360, 15789540, 31579080]

約数ペア:

[(1, 31579080), (2, 15789540), (3, 10526360), (4, 7894770), (5, 6315816), (6, 5263180), (8, 3947385), (10, 3157908), (12, 2631590), (13, 2429160), (15, 2105272), (20, 1578954), (24, 1315795), (26, 1214580), (30, 1052636), (31, 1018680), (39, 809720), (40, 789477), (52, 607290), (60, 526318), (62, 509340), (65, 485832), (78, 404860), (93, 339560), (104, 303645), (120, 263159), (124, 254670), (130, 242916), (155, 203736), (156, 202430), (186, 169780), (195, 161944), (248, 127335), (260, 121458), (310, 101868), (312, 101215), (372, 84890), (390, 80972), (403, 78360), (465, 67912), (520, 60729), (620, 50934), (653, 48360), (744, 42445), (780, 40486), (806, 39180), (930, 33956), (1209, 26120), (1240, 25467), (1306, 24180), (1560, 20243), (1612, 19590), (1860, 16978), (1959, 16120), (2015, 15672), (2418, 13060), (2612, 12090), (3224, 9795), (3265, 9672), (3720, 8489), (3918, 8060), (4030, 7836), (4836, 6530), (5224, 6045)]