217636120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{587}}^1$

素因数の和:665

約数の個数: 128

約数和(自身を含む): 568995840

約数和(自身を除く): 351359720

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, 587, 598, 620, 713, 806, 920, 1174, 1196, 1240, 1426, 1495, 1612, 2015, 2348, 2392, 2852, 2935, 2990, 3224, 3565, 4030, 4696, 5704, 5870, 5980, 7130, 7631, 8060, 9269, 11740, 11960, 13501, 14260, 15262, 16120, 18197, 18538, 23480, 27002, 28520, 30524, 36394, 37076, 38155, 46345, 54004, 61048, 67505, 72788, 74152, 76310, 90985, 92690, 108008, 135010, 145576, 152620, 175513, 181970, 185380, 236561, 270020, 305240, 351026, 363940, 370760, 418531, 473122, 540040, 702052, 727880, 837062, 877565, 946244, 1182805, 1404104, 1674124, 1755130, 1892488, 2092655, 2365610, 3348248, 3510260, 4185310, 4731220, 5440903, 7020520, 8370620, 9462440, 10881806, 16741240, 21763612, 27204515, 43527224, 54409030, 108818060, 217636120]

約数ペア:

[(1, 217636120), (2, 108818060), (4, 54409030), (5, 43527224), (8, 27204515), (10, 21763612), (13, 16741240), (20, 10881806), (23, 9462440), (26, 8370620), (31, 7020520), (40, 5440903), (46, 4731220), (52, 4185310), (62, 3510260), (65, 3348248), (92, 2365610), (104, 2092655), (115, 1892488), (124, 1755130), (130, 1674124), (155, 1404104), (184, 1182805), (230, 946244), (248, 877565), (260, 837062), (299, 727880), (310, 702052), (403, 540040), (460, 473122), (520, 418531), (587, 370760), (598, 363940), (620, 351026), (713, 305240), (806, 270020), (920, 236561), (1174, 185380), (1196, 181970), (1240, 175513), (1426, 152620), (1495, 145576), (1612, 135010), (2015, 108008), (2348, 92690), (2392, 90985), (2852, 76310), (2935, 74152), (2990, 72788), (3224, 67505), (3565, 61048), (4030, 54004), (4696, 46345), (5704, 38155), (5870, 37076), (5980, 36394), (7130, 30524), (7631, 28520), (8060, 27002), (9269, 23480), (11740, 18538), (11960, 18197), (13501, 16120), (14260, 15262)]