819769020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{5261}}^1$

素因数の和:5340

約数の個数: 144

約数和(自身を含む): 2721001248

約数和(自身を除く): 1901232228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 53, 60, 70, 84, 98, 105, 106, 140, 147, 159, 196, 210, 212, 245, 265, 294, 318, 371, 420, 490, 530, 588, 636, 735, 742, 795, 980, 1060, 1113, 1470, 1484, 1590, 1855, 2226, 2597, 2940, 3180, 3710, 4452, 5194, 5261, 5565, 7420, 7791, 10388, 10522, 11130, 12985, 15582, 15783, 21044, 22260, 25970, 26305, 31164, 31566, 36827, 38955, 51940, 52610, 63132, 73654, 77910, 78915, 105220, 110481, 147308, 155820, 157830, 184135, 220962, 257789, 278833, 315660, 368270, 441924, 515578, 552405, 557666, 736540, 773367, 836499, 1031156, 1104810, 1115332, 1288945, 1394165, 1546734, 1672998, 1951831, 2209620, 2577890, 2788330, 3093468, 3345996, 3866835, 3903662, 4182495, 5155780, 5576660, 5855493, 7733670, 7807324, 8364990, 9759155, 11710986, 13662817, 15467340, 16729980, 19518310, 23421972, 27325634, 29277465, 39036620, 40988451, 54651268, 58554930, 68314085, 81976902, 117109860, 136628170, 163953804, 204942255, 273256340, 409884510, 819769020]

約数ペア:

[(1, 819769020), (2, 409884510), (3, 273256340), (4, 204942255), (5, 163953804), (6, 136628170), (7, 117109860), (10, 81976902), (12, 68314085), (14, 58554930), (15, 54651268), (20, 40988451), (21, 39036620), (28, 29277465), (30, 27325634), (35, 23421972), (42, 19518310), (49, 16729980), (53, 15467340), (60, 13662817), (70, 11710986), (84, 9759155), (98, 8364990), (105, 7807324), (106, 7733670), (140, 5855493), (147, 5576660), (159, 5155780), (196, 4182495), (210, 3903662), (212, 3866835), (245, 3345996), (265, 3093468), (294, 2788330), (318, 2577890), (371, 2209620), (420, 1951831), (490, 1672998), (530, 1546734), (588, 1394165), (636, 1288945), (735, 1115332), (742, 1104810), (795, 1031156), (980, 836499), (1060, 773367), (1113, 736540), (1470, 557666), (1484, 552405), (1590, 515578), (1855, 441924), (2226, 368270), (2597, 315660), (2940, 278833), (3180, 257789), (3710, 220962), (4452, 184135), (5194, 157830), (5261, 155820), (5565, 147308), (7420, 110481), (7791, 105220), (10388, 78915), (10522, 77910), (11130, 73654), (12985, 63132), (15582, 52610), (15783, 51940), (21044, 38955), (22260, 36827), (25970, 31566), (26305, 31164)]