257588760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{883}}^1$

素因数の和:938

約数の個数: 256

約数和(自身を含む): 962357760

約数和(自身を除く): 704769000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 17, 20, 22, 24, 26, 30, 33, 34, 39, 40, 44, 51, 52, 55, 60, 65, 66, 68, 78, 85, 88, 102, 104, 110, 120, 130, 132, 136, 143, 156, 165, 170, 187, 195, 204, 220, 221, 255, 260, 264, 286, 312, 330, 340, 374, 390, 408, 429, 440, 442, 510, 520, 561, 572, 660, 663, 680, 715, 748, 780, 858, 883, 884, 935, 1020, 1105, 1122, 1144, 1320, 1326, 1430, 1496, 1560, 1716, 1766, 1768, 1870, 2040, 2145, 2210, 2244, 2431, 2649, 2652, 2805, 2860, 3315, 3432, 3532, 3740, 4290, 4415, 4420, 4488, 4862, 5298, 5304, 5610, 5720, 6630, 7064, 7293, 7480, 8580, 8830, 8840, 9713, 9724, 10596, 11220, 11479, 12155, 13245, 13260, 14586, 15011, 17160, 17660, 19426, 19448, 21192, 22440, 22958, 24310, 26490, 26520, 29139, 29172, 30022, 34437, 35320, 36465, 38852, 45033, 45916, 48565, 48620, 52980, 57395, 58278, 58344, 60044, 68874, 72930, 75055, 77704, 90066, 91832, 97130, 97240, 105960, 114790, 116556, 120088, 126269, 137748, 145695, 145860, 150110, 165121, 172185, 180132, 194260, 195143, 225165, 229580, 233112, 252538, 275496, 291390, 291720, 300220, 330242, 344370, 360264, 378807, 388520, 390286, 450330, 459160, 495363, 505076, 582780, 585429, 600440, 631345, 660484, 688740, 757614, 780572, 825605, 900660, 975715, 990726, 1010152, 1165560, 1170858, 1262690, 1320968, 1377480, 1515228, 1561144, 1651210, 1801320, 1894035, 1951430, 1981452, 2146573, 2341716, 2476815, 2525380, 2927145, 3030456, 3302420, 3788070, 3902860, 3962904, 4293146, 4683432, 4953630, 5050760, 5854290, 6439719, 6604840, 7576140, 7805720, 8586292, 9907260, 10732865, 11708580, 12879438, 15152280, 17172584, 19814520, 21465730, 23417160, 25758876, 32198595, 42931460, 51517752, 64397190, 85862920, 128794380, 257588760]

約数ペア:

[(1, 257588760), (2, 128794380), (3, 85862920), (4, 64397190), (5, 51517752), (6, 42931460), (8, 32198595), (10, 25758876), (11, 23417160), (12, 21465730), (13, 19814520), (15, 17172584), (17, 15152280), (20, 12879438), (22, 11708580), (24, 10732865), (26, 9907260), (30, 8586292), (33, 7805720), (34, 7576140), (39, 6604840), (40, 6439719), (44, 5854290), (51, 5050760), (52, 4953630), (55, 4683432), (60, 4293146), (65, 3962904), (66, 3902860), (68, 3788070), (78, 3302420), (85, 3030456), (88, 2927145), (102, 2525380), (104, 2476815), (110, 2341716), (120, 2146573), (130, 1981452), (132, 1951430), (136, 1894035), (143, 1801320), (156, 1651210), (165, 1561144), (170, 1515228), (187, 1377480), (195, 1320968), (204, 1262690), (220, 1170858), (221, 1165560), (255, 1010152), (260, 990726), (264, 975715), (286, 900660), (312, 825605), (330, 780572), (340, 757614), (374, 688740), (390, 660484), (408, 631345), (429, 600440), (440, 585429), (442, 582780), (510, 505076), (520, 495363), (561, 459160), (572, 450330), (660, 390286), (663, 388520), (680, 378807), (715, 360264), (748, 344370), (780, 330242), (858, 300220), (883, 291720), (884, 291390), (935, 275496), (1020, 252538), (1105, 233112), (1122, 229580), (1144, 225165), (1320, 195143), (1326, 194260), (1430, 180132), (1496, 172185), (1560, 165121), (1716, 150110), (1766, 145860), (1768, 145695), (1870, 137748), (2040, 126269), (2145, 120088), (2210, 116556), (2244, 114790), (2431, 105960), (2649, 97240), (2652, 97130), (2805, 91832), (2860, 90066), (3315, 77704), (3432, 75055), (3532, 72930), (3740, 68874), (4290, 60044), (4415, 58344), (4420, 58278), (4488, 57395), (4862, 52980), (5298, 48620), (5304, 48565), (5610, 45916), (5720, 45033), (6630, 38852), (7064, 36465), (7293, 35320), (7480, 34437), (8580, 30022), (8830, 29172), (8840, 29139), (9713, 26520), (9724, 26490), (10596, 24310), (11220, 22958), (11479, 22440), (12155, 21192), (13245, 19448), (13260, 19426), (14586, 17660), (15011, 17160)]