78654870

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6571}}^1$

素因数の和:6610

約数の個数: 96

約数和(自身を含む): 246055680

約数和(自身を除く): 167400810

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 57, 63, 70, 90, 95, 105, 114, 126, 133, 171, 190, 210, 266, 285, 315, 342, 399, 570, 630, 665, 798, 855, 1197, 1330, 1710, 1995, 2394, 3990, 5985, 6571, 11970, 13142, 19713, 32855, 39426, 45997, 59139, 65710, 91994, 98565, 118278, 124849, 137991, 197130, 229985, 249698, 275982, 295695, 374547, 413973, 459970, 591390, 624245, 689955, 749094, 827946, 873943, 1123641, 1248490, 1379910, 1747886, 1872735, 2069865, 2247282, 2621829, 3745470, 4139730, 4369715, 5243658, 5618205, 7865487, 8739430, 11236410, 13109145, 15730974, 26218290, 39327435, 78654870]

約数ペア:

[(1, 78654870), (2, 39327435), (3, 26218290), (5, 15730974), (6, 13109145), (7, 11236410), (9, 8739430), (10, 7865487), (14, 5618205), (15, 5243658), (18, 4369715), (19, 4139730), (21, 3745470), (30, 2621829), (35, 2247282), (38, 2069865), (42, 1872735), (45, 1747886), (57, 1379910), (63, 1248490), (70, 1123641), (90, 873943), (95, 827946), (105, 749094), (114, 689955), (126, 624245), (133, 591390), (171, 459970), (190, 413973), (210, 374547), (266, 295695), (285, 275982), (315, 249698), (342, 229985), (399, 197130), (570, 137991), (630, 124849), (665, 118278), (798, 98565), (855, 91994), (1197, 65710), (1330, 59139), (1710, 45997), (1995, 39426), (2394, 32855), (3990, 19713), (5985, 13142), (6571, 11970)]