245375280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20047}}^1$

素因数の和:20083

約数の個数: 120

約数和(自身を含む): 872569152

約数和(自身を除く): 627193872

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 170, 180, 204, 240, 255, 272, 306, 340, 360, 408, 510, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1530, 2040, 2448, 3060, 4080, 6120, 12240, 20047, 40094, 60141, 80188, 100235, 120282, 160376, 180423, 200470, 240564, 300705, 320752, 340799, 360846, 400940, 481128, 601410, 681598, 721692, 801880, 902115, 962256, 1022397, 1202820, 1363196, 1443384, 1603760, 1703995, 1804230, 2044794, 2405640, 2726392, 2886768, 3067191, 3407990, 3608460, 4089588, 4811280, 5111985, 5452784, 6134382, 6815980, 7216920, 8179176, 10223970, 12268764, 13631960, 14433840, 15335955, 16358352, 20447940, 24537528, 27263920, 30671910, 40895880, 49075056, 61343820, 81791760, 122687640, 245375280]

約数ペア:

[(1, 245375280), (2, 122687640), (3, 81791760), (4, 61343820), (5, 49075056), (6, 40895880), (8, 30671910), (9, 27263920), (10, 24537528), (12, 20447940), (15, 16358352), (16, 15335955), (17, 14433840), (18, 13631960), (20, 12268764), (24, 10223970), (30, 8179176), (34, 7216920), (36, 6815980), (40, 6134382), (45, 5452784), (48, 5111985), (51, 4811280), (60, 4089588), (68, 3608460), (72, 3407990), (80, 3067191), (85, 2886768), (90, 2726392), (102, 2405640), (120, 2044794), (136, 1804230), (144, 1703995), (153, 1603760), (170, 1443384), (180, 1363196), (204, 1202820), (240, 1022397), (255, 962256), (272, 902115), (306, 801880), (340, 721692), (360, 681598), (408, 601410), (510, 481128), (612, 400940), (680, 360846), (720, 340799), (765, 320752), (816, 300705), (1020, 240564), (1224, 200470), (1360, 180423), (1530, 160376), (2040, 120282), (2448, 100235), (3060, 80188), (4080, 60141), (6120, 40094), (12240, 20047)]