157661820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:332

約数の個数: 144

約数和(自身を含む): 494780832

約数和(自身を除く): 337119012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 83, 90, 122, 166, 173, 180, 183, 244, 249, 305, 332, 346, 366, 415, 498, 519, 549, 610, 692, 732, 747, 830, 865, 915, 996, 1038, 1098, 1220, 1245, 1494, 1557, 1660, 1730, 1830, 2076, 2196, 2490, 2595, 2745, 2988, 3114, 3460, 3660, 3735, 4980, 5063, 5190, 5490, 6228, 7470, 7785, 10126, 10380, 10553, 10980, 14359, 14940, 15189, 15570, 20252, 21106, 25315, 28718, 30378, 31140, 31659, 42212, 43077, 45567, 50630, 52765, 57436, 60756, 63318, 71795, 75945, 86154, 91134, 94977, 101260, 105530, 126636, 129231, 143590, 151890, 158295, 172308, 182268, 189954, 211060, 215385, 227835, 258462, 287180, 303780, 316590, 379908, 430770, 455670, 474885, 516924, 633180, 646155, 861540, 875899, 911340, 949770, 1292310, 1751798, 1899540, 2584620, 2627697, 3503596, 4379495, 5255394, 7883091, 8758990, 10510788, 13138485, 15766182, 17517980, 26276970, 31532364, 39415455, 52553940, 78830910, 157661820]

約数ペア:

[(1, 157661820), (2, 78830910), (3, 52553940), (4, 39415455), (5, 31532364), (6, 26276970), (9, 17517980), (10, 15766182), (12, 13138485), (15, 10510788), (18, 8758990), (20, 7883091), (30, 5255394), (36, 4379495), (45, 3503596), (60, 2627697), (61, 2584620), (83, 1899540), (90, 1751798), (122, 1292310), (166, 949770), (173, 911340), (180, 875899), (183, 861540), (244, 646155), (249, 633180), (305, 516924), (332, 474885), (346, 455670), (366, 430770), (415, 379908), (498, 316590), (519, 303780), (549, 287180), (610, 258462), (692, 227835), (732, 215385), (747, 211060), (830, 189954), (865, 182268), (915, 172308), (996, 158295), (1038, 151890), (1098, 143590), (1220, 129231), (1245, 126636), (1494, 105530), (1557, 101260), (1660, 94977), (1730, 91134), (1830, 86154), (2076, 75945), (2196, 71795), (2490, 63318), (2595, 60756), (2745, 57436), (2988, 52765), (3114, 50630), (3460, 45567), (3660, 43077), (3735, 42212), (4980, 31659), (5063, 31140), (5190, 30378), (5490, 28718), (6228, 25315), (7470, 21106), (7785, 20252), (10126, 15570), (10380, 15189), (10553, 14940), (10980, 14359)]