20123585520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{142357}}^1$

素因数の和:142423

約数の個数: 160

約数和(自身を含む): 67785185280

約数和(自身を除く): 47661599760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 38, 40, 48, 57, 60, 62, 76, 80, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 240, 248, 285, 304, 310, 372, 380, 456, 465, 496, 570, 589, 620, 744, 760, 912, 930, 1140, 1178, 1240, 1488, 1520, 1767, 1860, 2280, 2356, 2480, 2945, 3534, 3720, 4560, 4712, 5890, 7068, 7440, 8835, 9424, 11780, 14136, 17670, 23560, 28272, 35340, 47120, 70680, 141360, 142357, 284714, 427071, 569428, 711785, 854142, 1138856, 1423570, 1708284, 2135355, 2277712, 2704783, 2847140, 3416568, 4270710, 4413067, 5409566, 5694280, 6833136, 8114349, 8541420, 8826134, 10819132, 11388560, 13239201, 13523915, 16228698, 17082840, 17652268, 21638264, 22065335, 26478402, 27047830, 32457396, 34165680, 35304536, 40571745, 43276528, 44130670, 52956804, 54095660, 64914792, 66196005, 70609072, 81143490, 83848273, 88261340, 105913608, 108191320, 129829584, 132392010, 162286980, 167696546, 176522680, 211827216, 216382640, 251544819, 264784020, 324573960, 335393092, 353045360, 419241365, 503089638, 529568040, 649147920, 670786184, 838482730, 1006179276, 1059136080, 1257724095, 1341572368, 1676965460, 2012358552, 2515448190, 3353930920, 4024717104, 5030896380, 6707861840, 10061792760, 20123585520]

約数ペア:

[(1, 20123585520), (2, 10061792760), (3, 6707861840), (4, 5030896380), (5, 4024717104), (6, 3353930920), (8, 2515448190), (10, 2012358552), (12, 1676965460), (15, 1341572368), (16, 1257724095), (19, 1059136080), (20, 1006179276), (24, 838482730), (30, 670786184), (31, 649147920), (38, 529568040), (40, 503089638), (48, 419241365), (57, 353045360), (60, 335393092), (62, 324573960), (76, 264784020), (80, 251544819), (93, 216382640), (95, 211827216), (114, 176522680), (120, 167696546), (124, 162286980), (152, 132392010), (155, 129829584), (186, 108191320), (190, 105913608), (228, 88261340), (240, 83848273), (248, 81143490), (285, 70609072), (304, 66196005), (310, 64914792), (372, 54095660), (380, 52956804), (456, 44130670), (465, 43276528), (496, 40571745), (570, 35304536), (589, 34165680), (620, 32457396), (744, 27047830), (760, 26478402), (912, 22065335), (930, 21638264), (1140, 17652268), (1178, 17082840), (1240, 16228698), (1488, 13523915), (1520, 13239201), (1767, 11388560), (1860, 10819132), (2280, 8826134), (2356, 8541420), (2480, 8114349), (2945, 6833136), (3534, 5694280), (3720, 5409566), (4560, 4413067), (4712, 4270710), (5890, 3416568), (7068, 2847140), (7440, 2704783), (8835, 2277712), (9424, 2135355), (11780, 1708284), (14136, 1423570), (17670, 1138856), (23560, 854142), (28272, 711785), (35340, 569428), (47120, 427071), (70680, 284714), (141360, 142357)]