30208725

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 57567744

約数和(自身を除く): 27359019

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 61, 71, 75, 93, 155, 183, 213, 225, 279, 305, 355, 465, 549, 639, 775, 915, 1065, 1395, 1525, 1775, 1891, 2201, 2325, 2745, 3195, 4331, 4575, 5325, 5673, 6603, 6975, 9455, 11005, 12993, 13725, 15975, 17019, 19809, 21655, 28365, 33015, 38979, 47275, 55025, 64965, 85095, 99045, 108275, 134261, 141825, 165075, 194895, 324825, 402783, 425475, 495225, 671305, 974475, 1208349, 2013915, 3356525, 6041745, 10069575, 30208725]

約数ペア:

[(1, 30208725), (3, 10069575), (5, 6041745), (9, 3356525), (15, 2013915), (25, 1208349), (31, 974475), (45, 671305), (61, 495225), (71, 425475), (75, 402783), (93, 324825), (155, 194895), (183, 165075), (213, 141825), (225, 134261), (279, 108275), (305, 99045), (355, 85095), (465, 64965), (549, 55025), (639, 47275), (775, 38979), (915, 33015), (1065, 28365), (1395, 21655), (1525, 19809), (1775, 17019), (1891, 15975), (2201, 13725), (2325, 12993), (2745, 11005), (3195, 9455), (4331, 6975), (4575, 6603), (5325, 5673)]