31500300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 101056032

約数和(自身を除く): 69555732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 41, 50, 52, 60, 65, 75, 78, 82, 100, 123, 130, 150, 156, 164, 195, 197, 205, 246, 260, 300, 325, 390, 394, 410, 492, 533, 591, 615, 650, 780, 788, 820, 975, 985, 1025, 1066, 1182, 1230, 1300, 1599, 1950, 1970, 2050, 2132, 2364, 2460, 2561, 2665, 2955, 3075, 3198, 3900, 3940, 4100, 4925, 5122, 5330, 5910, 6150, 6396, 7683, 7995, 8077, 9850, 10244, 10660, 11820, 12300, 12805, 13325, 14775, 15366, 15990, 16154, 19700, 24231, 25610, 26650, 29550, 30732, 31980, 32308, 38415, 39975, 40385, 48462, 51220, 53300, 59100, 64025, 76830, 79950, 80770, 96924, 105001, 121155, 128050, 153660, 159900, 161540, 192075, 201925, 210002, 242310, 256100, 315003, 384150, 403850, 420004, 484620, 525005, 605775, 630006, 768300, 807700, 1050010, 1211550, 1260012, 1575015, 2100020, 2423100, 2625025, 3150030, 5250050, 6300060, 7875075, 10500100, 15750150, 31500300]

約数ペア:

[(1, 31500300), (2, 15750150), (3, 10500100), (4, 7875075), (5, 6300060), (6, 5250050), (10, 3150030), (12, 2625025), (13, 2423100), (15, 2100020), (20, 1575015), (25, 1260012), (26, 1211550), (30, 1050010), (39, 807700), (41, 768300), (50, 630006), (52, 605775), (60, 525005), (65, 484620), (75, 420004), (78, 403850), (82, 384150), (100, 315003), (123, 256100), (130, 242310), (150, 210002), (156, 201925), (164, 192075), (195, 161540), (197, 159900), (205, 153660), (246, 128050), (260, 121155), (300, 105001), (325, 96924), (390, 80770), (394, 79950), (410, 76830), (492, 64025), (533, 59100), (591, 53300), (615, 51220), (650, 48462), (780, 40385), (788, 39975), (820, 38415), (975, 32308), (985, 31980), (1025, 30732), (1066, 29550), (1182, 26650), (1230, 25610), (1300, 24231), (1599, 19700), (1950, 16154), (1970, 15990), (2050, 15366), (2132, 14775), (2364, 13325), (2460, 12805), (2561, 12300), (2665, 11820), (2955, 10660), (3075, 10244), (3198, 9850), (3900, 8077), (3940, 7995), (4100, 7683), (4925, 6396), (5122, 6150), (5330, 5910)]