253229080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{683}}^1$

素因数の和:761

約数の個数: 128

約数和(自身を含む): 661893120

約数和(自身を除く): 408664040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 31, 40, 46, 52, 62, 65, 92, 104, 115, 124, 130, 155, 184, 230, 248, 260, 299, 310, 403, 460, 520, 598, 620, 683, 713, 806, 920, 1196, 1240, 1366, 1426, 1495, 1612, 2015, 2392, 2732, 2852, 2990, 3224, 3415, 3565, 4030, 5464, 5704, 5980, 6830, 7130, 8060, 8879, 9269, 11960, 13660, 14260, 15709, 16120, 17758, 18538, 21173, 27320, 28520, 31418, 35516, 37076, 42346, 44395, 46345, 62836, 71032, 74152, 78545, 84692, 88790, 92690, 105865, 125672, 157090, 169384, 177580, 185380, 204217, 211730, 275249, 314180, 355160, 370760, 408434, 423460, 486979, 550498, 628360, 816868, 846920, 973958, 1021085, 1100996, 1376245, 1633736, 1947916, 2042170, 2201992, 2434895, 2752490, 3895832, 4084340, 4869790, 5504980, 6330727, 8168680, 9739580, 11009960, 12661454, 19479160, 25322908, 31653635, 50645816, 63307270, 126614540, 253229080]

約数ペア:

[(1, 253229080), (2, 126614540), (4, 63307270), (5, 50645816), (8, 31653635), (10, 25322908), (13, 19479160), (20, 12661454), (23, 11009960), (26, 9739580), (31, 8168680), (40, 6330727), (46, 5504980), (52, 4869790), (62, 4084340), (65, 3895832), (92, 2752490), (104, 2434895), (115, 2201992), (124, 2042170), (130, 1947916), (155, 1633736), (184, 1376245), (230, 1100996), (248, 1021085), (260, 973958), (299, 846920), (310, 816868), (403, 628360), (460, 550498), (520, 486979), (598, 423460), (620, 408434), (683, 370760), (713, 355160), (806, 314180), (920, 275249), (1196, 211730), (1240, 204217), (1366, 185380), (1426, 177580), (1495, 169384), (1612, 157090), (2015, 125672), (2392, 105865), (2732, 92690), (2852, 88790), (2990, 84692), (3224, 78545), (3415, 74152), (3565, 71032), (4030, 62836), (5464, 46345), (5704, 44395), (5980, 42346), (6830, 37076), (7130, 35516), (8060, 31418), (8879, 28520), (9269, 27320), (11960, 21173), (13660, 18538), (14260, 17758), (15709, 16120)]