171940880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:193

約数の個数: 160

約数和(自身を含む): 449971200

約数和(自身を除く): 278030320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 41, 62, 76, 80, 82, 89, 95, 124, 152, 155, 164, 178, 190, 205, 248, 304, 310, 328, 356, 380, 410, 445, 496, 589, 620, 656, 712, 760, 779, 820, 890, 1178, 1240, 1271, 1424, 1520, 1558, 1640, 1691, 1780, 2356, 2480, 2542, 2759, 2945, 3116, 3280, 3382, 3560, 3649, 3895, 4712, 5084, 5518, 5890, 6232, 6355, 6764, 7120, 7298, 7790, 8455, 9424, 10168, 11036, 11780, 12464, 12710, 13528, 13795, 14596, 15580, 16910, 18245, 20336, 22072, 23560, 24149, 25420, 27056, 27590, 29192, 31160, 33820, 36490, 44144, 47120, 48298, 50840, 52421, 55180, 58384, 62320, 67640, 69331, 72980, 96596, 101680, 104842, 110360, 113119, 120745, 135280, 138662, 145960, 193192, 209684, 220720, 226238, 241490, 262105, 277324, 291920, 346655, 386384, 419368, 452476, 482980, 524210, 554648, 565595, 693310, 838736, 904952, 965960, 1048420, 1109296, 1131190, 1386620, 1809904, 1931920, 2096840, 2149261, 2262380, 2773240, 4193680, 4298522, 4524760, 5546480, 8597044, 9049520, 10746305, 17194088, 21492610, 34388176, 42985220, 85970440, 171940880]

約数ペア:

[(1, 171940880), (2, 85970440), (4, 42985220), (5, 34388176), (8, 21492610), (10, 17194088), (16, 10746305), (19, 9049520), (20, 8597044), (31, 5546480), (38, 4524760), (40, 4298522), (41, 4193680), (62, 2773240), (76, 2262380), (80, 2149261), (82, 2096840), (89, 1931920), (95, 1809904), (124, 1386620), (152, 1131190), (155, 1109296), (164, 1048420), (178, 965960), (190, 904952), (205, 838736), (248, 693310), (304, 565595), (310, 554648), (328, 524210), (356, 482980), (380, 452476), (410, 419368), (445, 386384), (496, 346655), (589, 291920), (620, 277324), (656, 262105), (712, 241490), (760, 226238), (779, 220720), (820, 209684), (890, 193192), (1178, 145960), (1240, 138662), (1271, 135280), (1424, 120745), (1520, 113119), (1558, 110360), (1640, 104842), (1691, 101680), (1780, 96596), (2356, 72980), (2480, 69331), (2542, 67640), (2759, 62320), (2945, 58384), (3116, 55180), (3280, 52421), (3382, 50840), (3560, 48298), (3649, 47120), (3895, 44144), (4712, 36490), (5084, 33820), (5518, 31160), (5890, 29192), (6232, 27590), (6355, 27056), (6764, 25420), (7120, 24149), (7298, 23560), (7790, 22072), (8455, 20336), (9424, 18245), (10168, 16910), (11036, 15580), (11780, 14596), (12464, 13795), (12710, 13528)]