172948360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:251

約数の個数: 128

約数和(自身を含む): 439538400

約数和(自身を除く): 266590040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 89, 101, 104, 130, 148, 178, 185, 202, 260, 296, 356, 370, 404, 445, 481, 505, 520, 712, 740, 808, 890, 962, 1010, 1157, 1313, 1480, 1780, 1924, 2020, 2314, 2405, 2626, 3293, 3560, 3737, 3848, 4040, 4628, 4810, 5252, 5785, 6565, 6586, 7474, 8989, 9256, 9620, 10504, 11570, 13130, 13172, 14948, 16465, 17978, 18685, 19240, 23140, 26260, 26344, 29896, 32930, 35956, 37370, 42809, 44945, 46280, 48581, 52520, 65860, 71912, 74740, 85618, 89890, 97162, 116857, 131720, 149480, 171236, 179780, 194324, 214045, 233714, 242905, 332593, 342472, 359560, 388648, 428090, 467428, 485810, 584285, 665186, 856180, 934856, 971620, 1168570, 1330372, 1662965, 1712360, 1943240, 2337140, 2660744, 3325930, 4323709, 4674280, 6651860, 8647418, 13303720, 17294836, 21618545, 34589672, 43237090, 86474180, 172948360]

約数ペア:

[(1, 172948360), (2, 86474180), (4, 43237090), (5, 34589672), (8, 21618545), (10, 17294836), (13, 13303720), (20, 8647418), (26, 6651860), (37, 4674280), (40, 4323709), (52, 3325930), (65, 2660744), (74, 2337140), (89, 1943240), (101, 1712360), (104, 1662965), (130, 1330372), (148, 1168570), (178, 971620), (185, 934856), (202, 856180), (260, 665186), (296, 584285), (356, 485810), (370, 467428), (404, 428090), (445, 388648), (481, 359560), (505, 342472), (520, 332593), (712, 242905), (740, 233714), (808, 214045), (890, 194324), (962, 179780), (1010, 171236), (1157, 149480), (1313, 131720), (1480, 116857), (1780, 97162), (1924, 89890), (2020, 85618), (2314, 74740), (2405, 71912), (2626, 65860), (3293, 52520), (3560, 48581), (3737, 46280), (3848, 44945), (4040, 42809), (4628, 37370), (4810, 35956), (5252, 32930), (5785, 29896), (6565, 26344), (6586, 26260), (7474, 23140), (8989, 19240), (9256, 18685), (9620, 17978), (10504, 16465), (11570, 14948), (13130, 13172)]