71712840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:547

約数の個数: 128

約数和(自身を含む): 230169600

約数和(自身を除く): 158456760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 71, 76, 95, 114, 120, 142, 152, 190, 213, 228, 284, 285, 355, 380, 426, 443, 456, 568, 570, 710, 760, 852, 886, 1065, 1140, 1329, 1349, 1420, 1704, 1772, 2130, 2215, 2280, 2658, 2698, 2840, 3544, 4047, 4260, 4430, 5316, 5396, 6645, 6745, 8094, 8417, 8520, 8860, 10632, 10792, 13290, 13490, 16188, 16834, 17720, 20235, 25251, 26580, 26980, 31453, 32376, 33668, 40470, 42085, 50502, 53160, 53960, 62906, 67336, 80940, 84170, 94359, 101004, 125812, 126255, 157265, 161880, 168340, 188718, 202008, 251624, 252510, 314530, 336680, 377436, 471795, 505020, 597607, 629060, 754872, 943590, 1010040, 1195214, 1258120, 1792821, 1887180, 2390428, 2988035, 3585642, 3774360, 4780856, 5976070, 7171284, 8964105, 11952140, 14342568, 17928210, 23904280, 35856420, 71712840]

約数ペア:

[(1, 71712840), (2, 35856420), (3, 23904280), (4, 17928210), (5, 14342568), (6, 11952140), (8, 8964105), (10, 7171284), (12, 5976070), (15, 4780856), (19, 3774360), (20, 3585642), (24, 2988035), (30, 2390428), (38, 1887180), (40, 1792821), (57, 1258120), (60, 1195214), (71, 1010040), (76, 943590), (95, 754872), (114, 629060), (120, 597607), (142, 505020), (152, 471795), (190, 377436), (213, 336680), (228, 314530), (284, 252510), (285, 251624), (355, 202008), (380, 188718), (426, 168340), (443, 161880), (456, 157265), (568, 126255), (570, 125812), (710, 101004), (760, 94359), (852, 84170), (886, 80940), (1065, 67336), (1140, 62906), (1329, 53960), (1349, 53160), (1420, 50502), (1704, 42085), (1772, 40470), (2130, 33668), (2215, 32376), (2280, 31453), (2658, 26980), (2698, 26580), (2840, 25251), (3544, 20235), (4047, 17720), (4260, 16834), (4430, 16188), (5316, 13490), (5396, 13290), (6645, 10792), (6745, 10632), (8094, 8860), (8417, 8520)]