218089980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1483}}^1$

素因数の和:1560

約数の個数: 144

約数和(自身を含む): 713032320

約数和(自身を除く): 494942340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 43, 45, 57, 60, 76, 86, 90, 95, 114, 129, 171, 172, 180, 190, 215, 228, 258, 285, 342, 380, 387, 430, 516, 570, 645, 684, 774, 817, 855, 860, 1140, 1290, 1483, 1548, 1634, 1710, 1935, 2451, 2580, 2966, 3268, 3420, 3870, 4085, 4449, 4902, 5932, 7353, 7415, 7740, 8170, 8898, 9804, 12255, 13347, 14706, 14830, 16340, 17796, 22245, 24510, 26694, 28177, 29412, 29660, 36765, 44490, 49020, 53388, 56354, 63769, 66735, 73530, 84531, 88980, 112708, 127538, 133470, 140885, 147060, 169062, 191307, 253593, 255076, 266940, 281770, 318845, 338124, 382614, 422655, 507186, 563540, 573921, 637690, 765228, 845310, 956535, 1014372, 1147842, 1211611, 1267965, 1275380, 1690620, 1913070, 2295684, 2423222, 2535930, 2869605, 3634833, 3826140, 4846444, 5071860, 5739210, 6058055, 7269666, 10904499, 11478420, 12116110, 14539332, 18174165, 21808998, 24232220, 36348330, 43617996, 54522495, 72696660, 109044990, 218089980]

約数ペア:

[(1, 218089980), (2, 109044990), (3, 72696660), (4, 54522495), (5, 43617996), (6, 36348330), (9, 24232220), (10, 21808998), (12, 18174165), (15, 14539332), (18, 12116110), (19, 11478420), (20, 10904499), (30, 7269666), (36, 6058055), (38, 5739210), (43, 5071860), (45, 4846444), (57, 3826140), (60, 3634833), (76, 2869605), (86, 2535930), (90, 2423222), (95, 2295684), (114, 1913070), (129, 1690620), (171, 1275380), (172, 1267965), (180, 1211611), (190, 1147842), (215, 1014372), (228, 956535), (258, 845310), (285, 765228), (342, 637690), (380, 573921), (387, 563540), (430, 507186), (516, 422655), (570, 382614), (645, 338124), (684, 318845), (774, 281770), (817, 266940), (855, 255076), (860, 253593), (1140, 191307), (1290, 169062), (1483, 147060), (1548, 140885), (1634, 133470), (1710, 127538), (1935, 112708), (2451, 88980), (2580, 84531), (2966, 73530), (3268, 66735), (3420, 63769), (3870, 56354), (4085, 53388), (4449, 49020), (4902, 44490), (5932, 36765), (7353, 29660), (7415, 29412), (7740, 28177), (8170, 26694), (8898, 24510), (9804, 22245), (12255, 17796), (13347, 16340), (14706, 14830)]