68637660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{967}}^1$

素因数の和:1012

約数の個数: 144

約数和(自身を含む): 238081536

約数和(自身を除く): 169443876

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 169, 182, 195, 210, 260, 273, 338, 364, 390, 420, 455, 507, 546, 676, 780, 845, 910, 967, 1014, 1092, 1183, 1365, 1690, 1820, 1934, 2028, 2366, 2535, 2730, 2901, 3380, 3549, 3868, 4732, 4835, 5070, 5460, 5802, 5915, 6769, 7098, 9670, 10140, 11604, 11830, 12571, 13538, 14196, 14505, 17745, 19340, 20307, 23660, 25142, 27076, 29010, 33845, 35490, 37713, 40614, 50284, 58020, 62855, 67690, 70980, 75426, 81228, 87997, 101535, 125710, 135380, 150852, 163423, 175994, 188565, 203070, 251420, 263991, 326846, 351988, 377130, 406140, 439985, 490269, 527982, 653692, 754260, 817115, 879970, 980538, 1055964, 1143961, 1319955, 1634230, 1759940, 1961076, 2287922, 2451345, 2639910, 3268460, 3431883, 4575844, 4902690, 5279820, 5719805, 6863766, 9805380, 11439610, 13727532, 17159415, 22879220, 34318830, 68637660]

約数ペア:

[(1, 68637660), (2, 34318830), (3, 22879220), (4, 17159415), (5, 13727532), (6, 11439610), (7, 9805380), (10, 6863766), (12, 5719805), (13, 5279820), (14, 4902690), (15, 4575844), (20, 3431883), (21, 3268460), (26, 2639910), (28, 2451345), (30, 2287922), (35, 1961076), (39, 1759940), (42, 1634230), (52, 1319955), (60, 1143961), (65, 1055964), (70, 980538), (78, 879970), (84, 817115), (91, 754260), (105, 653692), (130, 527982), (140, 490269), (156, 439985), (169, 406140), (182, 377130), (195, 351988), (210, 326846), (260, 263991), (273, 251420), (338, 203070), (364, 188565), (390, 175994), (420, 163423), (455, 150852), (507, 135380), (546, 125710), (676, 101535), (780, 87997), (845, 81228), (910, 75426), (967, 70980), (1014, 67690), (1092, 62855), (1183, 58020), (1365, 50284), (1690, 40614), (1820, 37713), (1934, 35490), (2028, 33845), (2366, 29010), (2535, 27076), (2730, 25142), (2901, 23660), (3380, 20307), (3549, 19340), (3868, 17745), (4732, 14505), (4835, 14196), (5070, 13538), (5460, 12571), (5802, 11830), (5915, 11604), (6769, 10140), (7098, 9670)]