155166160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:189

約数の個数: 160

約数和(自身を含む): 407116800

約数和(自身を除く): 251950640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 37, 38, 40, 62, 74, 76, 80, 89, 95, 124, 148, 152, 155, 178, 185, 190, 248, 296, 304, 310, 356, 370, 380, 445, 496, 589, 592, 620, 703, 712, 740, 760, 890, 1147, 1178, 1240, 1406, 1424, 1480, 1520, 1691, 1780, 2294, 2356, 2480, 2759, 2812, 2945, 2960, 3293, 3382, 3515, 3560, 4588, 4712, 5518, 5624, 5735, 5890, 6586, 6764, 7030, 7120, 8455, 9176, 9424, 11036, 11248, 11470, 11780, 13172, 13528, 13795, 14060, 16465, 16910, 18352, 21793, 22072, 22940, 23560, 26344, 27056, 27590, 28120, 32930, 33820, 43586, 44144, 45880, 47120, 52421, 52688, 55180, 56240, 62567, 65860, 67640, 87172, 91760, 102083, 104842, 108965, 110360, 125134, 131720, 135280, 174344, 204166, 209684, 217930, 220720, 250268, 262105, 263440, 312835, 348688, 408332, 419368, 435860, 500536, 510415, 524210, 625670, 816664, 838736, 871720, 1001072, 1020830, 1048420, 1251340, 1633328, 1743440, 1939577, 2041660, 2096840, 2502680, 3879154, 4083320, 4193680, 5005360, 7758308, 8166640, 9697885, 15516616, 19395770, 31033232, 38791540, 77583080, 155166160]

約数ペア:

[(1, 155166160), (2, 77583080), (4, 38791540), (5, 31033232), (8, 19395770), (10, 15516616), (16, 9697885), (19, 8166640), (20, 7758308), (31, 5005360), (37, 4193680), (38, 4083320), (40, 3879154), (62, 2502680), (74, 2096840), (76, 2041660), (80, 1939577), (89, 1743440), (95, 1633328), (124, 1251340), (148, 1048420), (152, 1020830), (155, 1001072), (178, 871720), (185, 838736), (190, 816664), (248, 625670), (296, 524210), (304, 510415), (310, 500536), (356, 435860), (370, 419368), (380, 408332), (445, 348688), (496, 312835), (589, 263440), (592, 262105), (620, 250268), (703, 220720), (712, 217930), (740, 209684), (760, 204166), (890, 174344), (1147, 135280), (1178, 131720), (1240, 125134), (1406, 110360), (1424, 108965), (1480, 104842), (1520, 102083), (1691, 91760), (1780, 87172), (2294, 67640), (2356, 65860), (2480, 62567), (2759, 56240), (2812, 55180), (2945, 52688), (2960, 52421), (3293, 47120), (3382, 45880), (3515, 44144), (3560, 43586), (4588, 33820), (4712, 32930), (5518, 28120), (5624, 27590), (5735, 27056), (5890, 26344), (6586, 23560), (6764, 22940), (7030, 22072), (7120, 21793), (8455, 18352), (9176, 16910), (9424, 16465), (11036, 14060), (11248, 13795), (11470, 13528), (11780, 13172)]