30871490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 64683360

約数和(自身を除く): 33811870

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 61, 65, 85, 122, 130, 170, 221, 229, 305, 442, 458, 610, 793, 1037, 1105, 1145, 1586, 2074, 2210, 2290, 2977, 3893, 3965, 5185, 5954, 7786, 7930, 10370, 13481, 13969, 14885, 19465, 26962, 27938, 29770, 38930, 50609, 67405, 69845, 101218, 134810, 139690, 181597, 237473, 253045, 363194, 474946, 506090, 907985, 1187365, 1815970, 2374730, 3087149, 6174298, 15435745, 30871490]

約数ペア:

[(1, 30871490), (2, 15435745), (5, 6174298), (10, 3087149), (13, 2374730), (17, 1815970), (26, 1187365), (34, 907985), (61, 506090), (65, 474946), (85, 363194), (122, 253045), (130, 237473), (170, 181597), (221, 139690), (229, 134810), (305, 101218), (442, 69845), (458, 67405), (610, 50609), (793, 38930), (1037, 29770), (1105, 27938), (1145, 26962), (1586, 19465), (2074, 14885), (2210, 13969), (2290, 13481), (2977, 10370), (3893, 7930), (3965, 7786), (5185, 5954)]