221878561140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{266867}}^1$

素因数の和:267062

約数の個数: 144

約数和(自身を含む): 699407654400

約数和(自身を除く): 477529093260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 149, 155, 180, 186, 279, 298, 310, 372, 447, 465, 558, 596, 620, 745, 894, 930, 1116, 1341, 1395, 1490, 1788, 1860, 2235, 2682, 2790, 2980, 4470, 4619, 5364, 5580, 6705, 8940, 9238, 13410, 13857, 18476, 23095, 26820, 27714, 41571, 46190, 55428, 69285, 83142, 92380, 138570, 166284, 207855, 266867, 277140, 415710, 533734, 800601, 831420, 1067468, 1334335, 1601202, 2401803, 2668670, 3202404, 4003005, 4803606, 5337340, 8006010, 8272877, 9607212, 12009015, 16012020, 16545754, 24018030, 24818631, 33091508, 39763183, 41364385, 48036060, 49637262, 74455893, 79526366, 82728770, 99274524, 119289549, 124093155, 148911786, 159052732, 165457540, 198815915, 238579098, 248186310, 297823572, 357868647, 372279465, 397631830, 477158196, 496372620, 596447745, 715737294, 744558930, 795263660, 1192895490, 1232658673, 1431474588, 1489117860, 1789343235, 2385790980, 2465317346, 3578686470, 3697976019, 4930634692, 6163293365, 7157372940, 7395952038, 11093928057, 12326586730, 14791904076, 18489880095, 22187856114, 24653173460, 36979760190, 44375712228, 55469640285, 73959520380, 110939280570, 221878561140]

約数ペア:

[(1, 221878561140), (2, 110939280570), (3, 73959520380), (4, 55469640285), (5, 44375712228), (6, 36979760190), (9, 24653173460), (10, 22187856114), (12, 18489880095), (15, 14791904076), (18, 12326586730), (20, 11093928057), (30, 7395952038), (31, 7157372940), (36, 6163293365), (45, 4930634692), (60, 3697976019), (62, 3578686470), (90, 2465317346), (93, 2385790980), (124, 1789343235), (149, 1489117860), (155, 1431474588), (180, 1232658673), (186, 1192895490), (279, 795263660), (298, 744558930), (310, 715737294), (372, 596447745), (447, 496372620), (465, 477158196), (558, 397631830), (596, 372279465), (620, 357868647), (745, 297823572), (894, 248186310), (930, 238579098), (1116, 198815915), (1341, 165457540), (1395, 159052732), (1490, 148911786), (1788, 124093155), (1860, 119289549), (2235, 99274524), (2682, 82728770), (2790, 79526366), (2980, 74455893), (4470, 49637262), (4619, 48036060), (5364, 41364385), (5580, 39763183), (6705, 33091508), (8940, 24818631), (9238, 24018030), (13410, 16545754), (13857, 16012020), (18476, 12009015), (23095, 9607212), (26820, 8272877), (27714, 8006010), (41571, 5337340), (46190, 4803606), (55428, 4003005), (69285, 3202404), (83142, 2668670), (92380, 2401803), (138570, 1601202), (166284, 1334335), (207855, 1067468), (266867, 831420), (277140, 800601), (415710, 533734)]