80920020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{16249}}^1$

素因数の和:16344

約数の個数: 48

約数和(自身を含む): 229320000

約数和(自身を除く): 148399980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 83, 166, 249, 332, 415, 498, 830, 996, 1245, 1660, 2490, 4980, 16249, 32498, 48747, 64996, 81245, 97494, 162490, 194988, 243735, 324980, 487470, 974940, 1348667, 2697334, 4046001, 5394668, 6743335, 8092002, 13486670, 16184004, 20230005, 26973340, 40460010, 80920020]

約数ペア:

[(1, 80920020), (2, 40460010), (3, 26973340), (4, 20230005), (5, 16184004), (6, 13486670), (10, 8092002), (12, 6743335), (15, 5394668), (20, 4046001), (30, 2697334), (60, 1348667), (83, 974940), (166, 487470), (249, 324980), (332, 243735), (415, 194988), (498, 162490), (830, 97494), (996, 81245), (1245, 64996), (1660, 48747), (2490, 32498), (4980, 16249)]