258191760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1381}}^1$

素因数の和:1457

約数の個数: 160

約数和(自身を含む): 863694720

約数和(自身を除く): 605502960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 41, 48, 57, 60, 76, 80, 82, 95, 114, 120, 123, 152, 164, 190, 205, 228, 240, 246, 285, 304, 328, 380, 410, 456, 492, 570, 615, 656, 760, 779, 820, 912, 984, 1140, 1230, 1381, 1520, 1558, 1640, 1968, 2280, 2337, 2460, 2762, 3116, 3280, 3895, 4143, 4560, 4674, 4920, 5524, 6232, 6905, 7790, 8286, 9348, 9840, 11048, 11685, 12464, 13810, 15580, 16572, 18696, 20715, 22096, 23370, 26239, 27620, 31160, 33144, 37392, 41430, 46740, 52478, 55240, 56621, 62320, 66288, 78717, 82860, 93480, 104956, 110480, 113242, 131195, 157434, 165720, 169863, 186960, 209912, 226484, 262390, 283105, 314868, 331440, 339726, 393585, 419824, 452968, 524780, 566210, 629736, 679452, 787170, 849315, 905936, 1049560, 1075799, 1132420, 1259472, 1358904, 1574340, 1698630, 2099120, 2151598, 2264840, 2717808, 3148680, 3227397, 3397260, 4303196, 4529680, 5378995, 6297360, 6454794, 6794520, 8606392, 10757990, 12909588, 13589040, 16136985, 17212784, 21515980, 25819176, 32273970, 43031960, 51638352, 64547940, 86063920, 129095880, 258191760]

約数ペア:

[(1, 258191760), (2, 129095880), (3, 86063920), (4, 64547940), (5, 51638352), (6, 43031960), (8, 32273970), (10, 25819176), (12, 21515980), (15, 17212784), (16, 16136985), (19, 13589040), (20, 12909588), (24, 10757990), (30, 8606392), (38, 6794520), (40, 6454794), (41, 6297360), (48, 5378995), (57, 4529680), (60, 4303196), (76, 3397260), (80, 3227397), (82, 3148680), (95, 2717808), (114, 2264840), (120, 2151598), (123, 2099120), (152, 1698630), (164, 1574340), (190, 1358904), (205, 1259472), (228, 1132420), (240, 1075799), (246, 1049560), (285, 905936), (304, 849315), (328, 787170), (380, 679452), (410, 629736), (456, 566210), (492, 524780), (570, 452968), (615, 419824), (656, 393585), (760, 339726), (779, 331440), (820, 314868), (912, 283105), (984, 262390), (1140, 226484), (1230, 209912), (1381, 186960), (1520, 169863), (1558, 165720), (1640, 157434), (1968, 131195), (2280, 113242), (2337, 110480), (2460, 104956), (2762, 93480), (3116, 82860), (3280, 78717), (3895, 66288), (4143, 62320), (4560, 56621), (4674, 55240), (4920, 52478), (5524, 46740), (6232, 41430), (6905, 37392), (7790, 33144), (8286, 31160), (9348, 27620), (9840, 26239), (11048, 23370), (11685, 22096), (12464, 20715), (13810, 18696), (15580, 16572)]