78207420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2213}}^1$

素因数の和:2275

約数の個数: 96

約数和(自身を含む): 238049280

約数和(自身を除く): 159841860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 60, 62, 76, 93, 95, 114, 124, 155, 186, 190, 228, 285, 310, 372, 380, 465, 570, 589, 620, 930, 1140, 1178, 1767, 1860, 2213, 2356, 2945, 3534, 4426, 5890, 6639, 7068, 8835, 8852, 11065, 11780, 13278, 17670, 22130, 26556, 33195, 35340, 42047, 44260, 66390, 68603, 84094, 126141, 132780, 137206, 168188, 205809, 210235, 252282, 274412, 343015, 411618, 420470, 504564, 630705, 686030, 823236, 840940, 1029045, 1261410, 1303457, 1372060, 2058090, 2522820, 2606914, 3910371, 4116180, 5213828, 6517285, 7820742, 13034570, 15641484, 19551855, 26069140, 39103710, 78207420]

約数ペア:

[(1, 78207420), (2, 39103710), (3, 26069140), (4, 19551855), (5, 15641484), (6, 13034570), (10, 7820742), (12, 6517285), (15, 5213828), (19, 4116180), (20, 3910371), (30, 2606914), (31, 2522820), (38, 2058090), (57, 1372060), (60, 1303457), (62, 1261410), (76, 1029045), (93, 840940), (95, 823236), (114, 686030), (124, 630705), (155, 504564), (186, 420470), (190, 411618), (228, 343015), (285, 274412), (310, 252282), (372, 210235), (380, 205809), (465, 168188), (570, 137206), (589, 132780), (620, 126141), (930, 84094), (1140, 68603), (1178, 66390), (1767, 44260), (1860, 42047), (2213, 35340), (2356, 33195), (2945, 26556), (3534, 22130), (4426, 17670), (5890, 13278), (6639, 11780), (7068, 11065), (8835, 8852)]