1621879740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{499}}^1$

素因数の和:993

約数の個数: 192

約数和(自身を含む): 5456640000

約数和(自身を除く): 3834760260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 463, 468, 499, 540, 585, 702, 780, 926, 998, 1170, 1389, 1404, 1497, 1755, 1852, 1996, 2315, 2340, 2495, 2778, 2994, 3510, 4167, 4491, 4630, 4990, 5556, 5988, 6019, 6487, 6945, 7020, 7485, 8334, 8982, 9260, 9980, 12038, 12501, 12974, 13473, 13890, 14970, 16668, 17964, 18057, 19461, 20835, 22455, 24076, 25002, 25948, 26946, 27780, 29940, 30095, 32435, 36114, 38922, 41670, 44910, 50004, 53892, 54171, 58383, 60190, 62505, 64870, 67365, 72228, 77844, 83340, 89820, 90285, 97305, 108342, 116766, 120380, 125010, 129740, 134730, 162513, 175149, 180570, 194610, 216684, 231037, 233532, 250020, 269460, 270855, 291915, 325026, 350298, 361140, 389220, 462074, 541710, 583830, 650052, 693111, 700596, 812565, 875745, 924148, 1083420, 1155185, 1167660, 1386222, 1625130, 1751490, 2079333, 2310370, 2772444, 3003481, 3250260, 3465555, 3502980, 4158666, 4620740, 6006962, 6237999, 6931110, 8317332, 9010443, 10396665, 12013924, 12475998, 13862220, 15017405, 18020886, 20793330, 24951996, 27031329, 30034810, 31189995, 36041772, 41586660, 45052215, 54062658, 60069620, 62379990, 81093987, 90104430, 108125316, 124759980, 135156645, 162187974, 180208860, 270313290, 324375948, 405469935, 540626580, 810939870, 1621879740]

約数ペア:

[(1, 1621879740), (2, 810939870), (3, 540626580), (4, 405469935), (5, 324375948), (6, 270313290), (9, 180208860), (10, 162187974), (12, 135156645), (13, 124759980), (15, 108125316), (18, 90104430), (20, 81093987), (26, 62379990), (27, 60069620), (30, 54062658), (36, 45052215), (39, 41586660), (45, 36041772), (52, 31189995), (54, 30034810), (60, 27031329), (65, 24951996), (78, 20793330), (90, 18020886), (108, 15017405), (117, 13862220), (130, 12475998), (135, 12013924), (156, 10396665), (180, 9010443), (195, 8317332), (234, 6931110), (260, 6237999), (270, 6006962), (351, 4620740), (390, 4158666), (463, 3502980), (468, 3465555), (499, 3250260), (540, 3003481), (585, 2772444), (702, 2310370), (780, 2079333), (926, 1751490), (998, 1625130), (1170, 1386222), (1389, 1167660), (1404, 1155185), (1497, 1083420), (1755, 924148), (1852, 875745), (1996, 812565), (2315, 700596), (2340, 693111), (2495, 650052), (2778, 583830), (2994, 541710), (3510, 462074), (4167, 389220), (4491, 361140), (4630, 350298), (4990, 325026), (5556, 291915), (5988, 270855), (6019, 269460), (6487, 250020), (6945, 233532), (7020, 231037), (7485, 216684), (8334, 194610), (8982, 180570), (9260, 175149), (9980, 162513), (12038, 134730), (12501, 129740), (12974, 125010), (13473, 120380), (13890, 116766), (14970, 108342), (16668, 97305), (17964, 90285), (18057, 89820), (19461, 83340), (20835, 77844), (22455, 72228), (24076, 67365), (25002, 64870), (25948, 62505), (26946, 60190), (27780, 58383), (29940, 54171), (30095, 53892), (32435, 50004), (36114, 44910), (38922, 41670)]