240265260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1$

素因数の和:628

約数の個数: 144

約数和(自身を含む): 773660160

約数和(自身を除く): 533394900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 163, 171, 180, 190, 228, 285, 326, 342, 380, 431, 489, 570, 652, 684, 815, 855, 862, 978, 1140, 1293, 1467, 1630, 1710, 1724, 1956, 2155, 2445, 2586, 2934, 3097, 3260, 3420, 3879, 4310, 4890, 5172, 5868, 6194, 6465, 7335, 7758, 8189, 8620, 9291, 9780, 12388, 12930, 14670, 15485, 15516, 16378, 18582, 19395, 24567, 25860, 27873, 29340, 30970, 32756, 37164, 38790, 40945, 46455, 49134, 55746, 61940, 70253, 73701, 77580, 81890, 92910, 98268, 111492, 122835, 139365, 140506, 147402, 163780, 185820, 210759, 245670, 278730, 281012, 294804, 351265, 368505, 421518, 491340, 557460, 632277, 702530, 737010, 843036, 1053795, 1264554, 1334807, 1405060, 1474020, 2107590, 2529108, 2669614, 3161385, 4004421, 4215180, 5339228, 6322770, 6674035, 8008842, 12013263, 12645540, 13348070, 16017684, 20022105, 24026526, 26696140, 40044210, 48053052, 60066315, 80088420, 120132630, 240265260]

約数ペア:

[(1, 240265260), (2, 120132630), (3, 80088420), (4, 60066315), (5, 48053052), (6, 40044210), (9, 26696140), (10, 24026526), (12, 20022105), (15, 16017684), (18, 13348070), (19, 12645540), (20, 12013263), (30, 8008842), (36, 6674035), (38, 6322770), (45, 5339228), (57, 4215180), (60, 4004421), (76, 3161385), (90, 2669614), (95, 2529108), (114, 2107590), (163, 1474020), (171, 1405060), (180, 1334807), (190, 1264554), (228, 1053795), (285, 843036), (326, 737010), (342, 702530), (380, 632277), (431, 557460), (489, 491340), (570, 421518), (652, 368505), (684, 351265), (815, 294804), (855, 281012), (862, 278730), (978, 245670), (1140, 210759), (1293, 185820), (1467, 163780), (1630, 147402), (1710, 140506), (1724, 139365), (1956, 122835), (2155, 111492), (2445, 98268), (2586, 92910), (2934, 81890), (3097, 77580), (3260, 73701), (3420, 70253), (3879, 61940), (4310, 55746), (4890, 49134), (5172, 46455), (5868, 40945), (6194, 38790), (6465, 37164), (7335, 32756), (7758, 30970), (8189, 29340), (8620, 27873), (9291, 25860), (9780, 24567), (12388, 19395), (12930, 18582), (14670, 16378), (15485, 15516)]