17650620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:444

約数の個数: 144

約数和(自身を含む): 60846240

約数和(自身を除く): 43195620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 397, 468, 494, 570, 585, 684, 741, 780, 794, 855, 988, 1140, 1170, 1191, 1235, 1482, 1588, 1710, 1985, 2223, 2340, 2382, 2470, 2964, 3420, 3573, 3705, 3970, 4446, 4764, 4940, 5161, 5955, 7146, 7410, 7543, 7940, 8892, 10322, 11115, 11910, 14292, 14820, 15086, 15483, 17865, 20644, 22230, 22629, 23820, 25805, 30172, 30966, 35730, 37715, 44460, 45258, 46449, 51610, 61932, 67887, 71460, 75430, 77415, 90516, 92898, 98059, 103220, 113145, 135774, 150860, 154830, 185796, 196118, 226290, 232245, 271548, 294177, 309660, 339435, 392236, 452580, 464490, 490295, 588354, 678870, 882531, 928980, 980590, 1176708, 1357740, 1470885, 1765062, 1961180, 2941770, 3530124, 4412655, 5883540, 8825310, 17650620]

約数ペア:

[(1, 17650620), (2, 8825310), (3, 5883540), (4, 4412655), (5, 3530124), (6, 2941770), (9, 1961180), (10, 1765062), (12, 1470885), (13, 1357740), (15, 1176708), (18, 980590), (19, 928980), (20, 882531), (26, 678870), (30, 588354), (36, 490295), (38, 464490), (39, 452580), (45, 392236), (52, 339435), (57, 309660), (60, 294177), (65, 271548), (76, 232245), (78, 226290), (90, 196118), (95, 185796), (114, 154830), (117, 150860), (130, 135774), (156, 113145), (171, 103220), (180, 98059), (190, 92898), (195, 90516), (228, 77415), (234, 75430), (247, 71460), (260, 67887), (285, 61932), (342, 51610), (380, 46449), (390, 45258), (397, 44460), (468, 37715), (494, 35730), (570, 30966), (585, 30172), (684, 25805), (741, 23820), (780, 22629), (794, 22230), (855, 20644), (988, 17865), (1140, 15483), (1170, 15086), (1191, 14820), (1235, 14292), (1482, 11910), (1588, 11115), (1710, 10322), (1985, 8892), (2223, 7940), (2340, 7543), (2382, 7410), (2470, 7146), (2964, 5955), (3420, 5161), (3573, 4940), (3705, 4764), (3970, 4446)]