15182900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 35518560

約数和(自身を除く): 20335660

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 61, 76, 95, 100, 122, 131, 190, 244, 262, 305, 380, 475, 524, 610, 655, 950, 1159, 1220, 1310, 1525, 1900, 2318, 2489, 2620, 3050, 3275, 4636, 4978, 5795, 6100, 6550, 7991, 9956, 11590, 12445, 13100, 15982, 23180, 24890, 28975, 31964, 39955, 49780, 57950, 62225, 79910, 115900, 124450, 151829, 159820, 199775, 248900, 303658, 399550, 607316, 759145, 799100, 1518290, 3036580, 3795725, 7591450, 15182900]

約数ペア:

[(1, 15182900), (2, 7591450), (4, 3795725), (5, 3036580), (10, 1518290), (19, 799100), (20, 759145), (25, 607316), (38, 399550), (50, 303658), (61, 248900), (76, 199775), (95, 159820), (100, 151829), (122, 124450), (131, 115900), (190, 79910), (244, 62225), (262, 57950), (305, 49780), (380, 39955), (475, 31964), (524, 28975), (610, 24890), (655, 23180), (950, 15982), (1159, 13100), (1220, 12445), (1310, 11590), (1525, 9956), (1900, 7991), (2318, 6550), (2489, 6100), (2620, 5795), (3050, 4978), (3275, 4636)]