20280675720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{18743}}^1$

素因数の和:18955

約数の個数: 128

約数和(自身を含む): 62188093440

約数和(自身を除く): 41907417720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 127, 142, 213, 254, 284, 355, 381, 426, 508, 568, 635, 710, 762, 852, 1016, 1065, 1270, 1420, 1524, 1704, 1905, 2130, 2540, 2840, 3048, 3810, 4260, 5080, 7620, 8520, 9017, 15240, 18034, 18743, 27051, 36068, 37486, 45085, 54102, 56229, 72136, 74972, 90170, 93715, 108204, 112458, 135255, 149944, 180340, 187430, 216408, 224916, 270510, 281145, 360680, 374860, 449832, 541020, 562290, 749720, 1082040, 1124580, 1330753, 2249160, 2380361, 2661506, 3992259, 4760722, 5323012, 6653765, 7141083, 7984518, 9521444, 10646024, 11901805, 13307530, 14282166, 15969036, 19042888, 19961295, 23803610, 26615060, 28564332, 31938072, 35705415, 39922590, 47607220, 53230120, 57128664, 71410830, 79845180, 95214440, 142821660, 159690360, 169005631, 285643320, 338011262, 507016893, 676022524, 845028155, 1014033786, 1352045048, 1690056310, 2028067572, 2535084465, 3380112620, 4056135144, 5070168930, 6760225240, 10140337860, 20280675720]

約数ペア:

[(1, 20280675720), (2, 10140337860), (3, 6760225240), (4, 5070168930), (5, 4056135144), (6, 3380112620), (8, 2535084465), (10, 2028067572), (12, 1690056310), (15, 1352045048), (20, 1014033786), (24, 845028155), (30, 676022524), (40, 507016893), (60, 338011262), (71, 285643320), (120, 169005631), (127, 159690360), (142, 142821660), (213, 95214440), (254, 79845180), (284, 71410830), (355, 57128664), (381, 53230120), (426, 47607220), (508, 39922590), (568, 35705415), (635, 31938072), (710, 28564332), (762, 26615060), (852, 23803610), (1016, 19961295), (1065, 19042888), (1270, 15969036), (1420, 14282166), (1524, 13307530), (1704, 11901805), (1905, 10646024), (2130, 9521444), (2540, 7984518), (2840, 7141083), (3048, 6653765), (3810, 5323012), (4260, 4760722), (5080, 3992259), (7620, 2661506), (8520, 2380361), (9017, 2249160), (15240, 1330753), (18034, 1124580), (18743, 1082040), (27051, 749720), (36068, 562290), (37486, 541020), (45085, 449832), (54102, 374860), (56229, 360680), (72136, 281145), (74972, 270510), (90170, 224916), (93715, 216408), (108204, 187430), (112458, 180340), (135255, 149944)]