1878870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:429

約数の個数: 64

約数和(自身を含む): 5391360

約数和(自身を除く): 3512490

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 69, 70, 105, 115, 138, 161, 210, 230, 322, 345, 389, 483, 690, 778, 805, 966, 1167, 1610, 1945, 2334, 2415, 2723, 3890, 4830, 5446, 5835, 8169, 8947, 11670, 13615, 16338, 17894, 26841, 27230, 40845, 44735, 53682, 62629, 81690, 89470, 125258, 134205, 187887, 268410, 313145, 375774, 626290, 939435, 1878870]

約数ペア:

[(1, 1878870), (2, 939435), (3, 626290), (5, 375774), (6, 313145), (7, 268410), (10, 187887), (14, 134205), (15, 125258), (21, 89470), (23, 81690), (30, 62629), (35, 53682), (42, 44735), (46, 40845), (69, 27230), (70, 26841), (105, 17894), (115, 16338), (138, 13615), (161, 11670), (210, 8947), (230, 8169), (322, 5835), (345, 5446), (389, 4830), (483, 3890), (690, 2723), (778, 2415), (805, 2334), (966, 1945), (1167, 1610)]