671855220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1423}}^1$

素因数の和:1542

約数の個数: 144

約数和(自身を含む): 2121030912

約数和(自身を除く): 1449175692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 61, 86, 90, 122, 129, 172, 180, 183, 215, 244, 258, 305, 366, 387, 430, 516, 549, 610, 645, 732, 774, 860, 915, 1098, 1220, 1290, 1423, 1548, 1830, 1935, 2196, 2580, 2623, 2745, 2846, 3660, 3870, 4269, 5246, 5490, 5692, 7115, 7740, 7869, 8538, 10492, 10980, 12807, 13115, 14230, 15738, 17076, 21345, 23607, 25614, 26230, 28460, 31476, 39345, 42690, 47214, 51228, 52460, 61189, 64035, 78690, 85380, 86803, 94428, 118035, 122378, 128070, 157380, 173606, 183567, 236070, 244756, 256140, 260409, 305945, 347212, 367134, 434015, 472140, 520818, 550701, 611890, 734268, 781227, 868030, 917835, 1041636, 1101402, 1223780, 1302045, 1562454, 1736060, 1835670, 2202804, 2604090, 2753505, 3124908, 3671340, 3732529, 3906135, 5208180, 5507010, 7465058, 7812270, 11014020, 11197587, 14930116, 15624540, 18662645, 22395174, 33592761, 37325290, 44790348, 55987935, 67185522, 74650580, 111975870, 134371044, 167963805, 223951740, 335927610, 671855220]

約数ペア:

[(1, 671855220), (2, 335927610), (3, 223951740), (4, 167963805), (5, 134371044), (6, 111975870), (9, 74650580), (10, 67185522), (12, 55987935), (15, 44790348), (18, 37325290), (20, 33592761), (30, 22395174), (36, 18662645), (43, 15624540), (45, 14930116), (60, 11197587), (61, 11014020), (86, 7812270), (90, 7465058), (122, 5507010), (129, 5208180), (172, 3906135), (180, 3732529), (183, 3671340), (215, 3124908), (244, 2753505), (258, 2604090), (305, 2202804), (366, 1835670), (387, 1736060), (430, 1562454), (516, 1302045), (549, 1223780), (610, 1101402), (645, 1041636), (732, 917835), (774, 868030), (860, 781227), (915, 734268), (1098, 611890), (1220, 550701), (1290, 520818), (1423, 472140), (1548, 434015), (1830, 367134), (1935, 347212), (2196, 305945), (2580, 260409), (2623, 256140), (2745, 244756), (2846, 236070), (3660, 183567), (3870, 173606), (4269, 157380), (5246, 128070), (5490, 122378), (5692, 118035), (7115, 94428), (7740, 86803), (7869, 85380), (8538, 78690), (10492, 64035), (10980, 61189), (12807, 52460), (13115, 51228), (14230, 47214), (15738, 42690), (17076, 39345), (21345, 31476), (23607, 28460), (25614, 26230)]