85970440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 128

約数和(自身を含む): 217728000

約数和(自身を除く): 131757560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 41, 62, 76, 82, 89, 95, 124, 152, 155, 164, 178, 190, 205, 248, 310, 328, 356, 380, 410, 445, 589, 620, 712, 760, 779, 820, 890, 1178, 1240, 1271, 1558, 1640, 1691, 1780, 2356, 2542, 2759, 2945, 3116, 3382, 3560, 3649, 3895, 4712, 5084, 5518, 5890, 6232, 6355, 6764, 7298, 7790, 8455, 10168, 11036, 11780, 12710, 13528, 13795, 14596, 15580, 16910, 18245, 22072, 23560, 24149, 25420, 27590, 29192, 31160, 33820, 36490, 48298, 50840, 52421, 55180, 67640, 69331, 72980, 96596, 104842, 110360, 113119, 120745, 138662, 145960, 193192, 209684, 226238, 241490, 262105, 277324, 346655, 419368, 452476, 482980, 524210, 554648, 565595, 693310, 904952, 965960, 1048420, 1131190, 1386620, 2096840, 2149261, 2262380, 2773240, 4298522, 4524760, 8597044, 10746305, 17194088, 21492610, 42985220, 85970440]

約数ペア:

[(1, 85970440), (2, 42985220), (4, 21492610), (5, 17194088), (8, 10746305), (10, 8597044), (19, 4524760), (20, 4298522), (31, 2773240), (38, 2262380), (40, 2149261), (41, 2096840), (62, 1386620), (76, 1131190), (82, 1048420), (89, 965960), (95, 904952), (124, 693310), (152, 565595), (155, 554648), (164, 524210), (178, 482980), (190, 452476), (205, 419368), (248, 346655), (310, 277324), (328, 262105), (356, 241490), (380, 226238), (410, 209684), (445, 193192), (589, 145960), (620, 138662), (712, 120745), (760, 113119), (779, 110360), (820, 104842), (890, 96596), (1178, 72980), (1240, 69331), (1271, 67640), (1558, 55180), (1640, 52421), (1691, 50840), (1780, 48298), (2356, 36490), (2542, 33820), (2759, 31160), (2945, 29192), (3116, 27590), (3382, 25420), (3560, 24149), (3649, 23560), (3895, 22072), (4712, 18245), (5084, 16910), (5518, 15580), (5890, 14596), (6232, 13795), (6355, 13528), (6764, 12710), (7298, 11780), (7790, 11036), (8455, 10168)]