72032220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:393

約数の個数: 192

約数和(自身を含む): 249876480

約数和(自身を除く): 177844260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 31, 36, 39, 45, 52, 54, 60, 62, 65, 78, 90, 93, 108, 117, 124, 130, 135, 155, 156, 180, 186, 195, 234, 260, 270, 279, 310, 331, 351, 372, 390, 403, 465, 468, 540, 558, 585, 620, 662, 702, 780, 806, 837, 930, 993, 1116, 1170, 1209, 1324, 1395, 1404, 1612, 1655, 1674, 1755, 1860, 1986, 2015, 2340, 2418, 2790, 2979, 3310, 3348, 3510, 3627, 3972, 4030, 4185, 4303, 4836, 4965, 5580, 5958, 6045, 6620, 7020, 7254, 8060, 8370, 8606, 8937, 9930, 10261, 10881, 11916, 12090, 12909, 14508, 14895, 16740, 17212, 17874, 18135, 19860, 20522, 21515, 21762, 24180, 25818, 29790, 30783, 35748, 36270, 38727, 41044, 43030, 43524, 44685, 51305, 51636, 54405, 59580, 61566, 64545, 72540, 77454, 86060, 89370, 92349, 102610, 108810, 116181, 123132, 129090, 133393, 153915, 154908, 178740, 184698, 193635, 205220, 217620, 232362, 258180, 266786, 277047, 307830, 369396, 387270, 400179, 461745, 464724, 533572, 554094, 580905, 615660, 666965, 774540, 800358, 923490, 1108188, 1161810, 1200537, 1333930, 1385235, 1600716, 1846980, 2000895, 2323620, 2401074, 2667860, 2770470, 3601611, 4001790, 4802148, 5540940, 6002685, 7203222, 8003580, 12005370, 14406444, 18008055, 24010740, 36016110, 72032220]

約数ペア:

[(1, 72032220), (2, 36016110), (3, 24010740), (4, 18008055), (5, 14406444), (6, 12005370), (9, 8003580), (10, 7203222), (12, 6002685), (13, 5540940), (15, 4802148), (18, 4001790), (20, 3601611), (26, 2770470), (27, 2667860), (30, 2401074), (31, 2323620), (36, 2000895), (39, 1846980), (45, 1600716), (52, 1385235), (54, 1333930), (60, 1200537), (62, 1161810), (65, 1108188), (78, 923490), (90, 800358), (93, 774540), (108, 666965), (117, 615660), (124, 580905), (130, 554094), (135, 533572), (155, 464724), (156, 461745), (180, 400179), (186, 387270), (195, 369396), (234, 307830), (260, 277047), (270, 266786), (279, 258180), (310, 232362), (331, 217620), (351, 205220), (372, 193635), (390, 184698), (403, 178740), (465, 154908), (468, 153915), (540, 133393), (558, 129090), (585, 123132), (620, 116181), (662, 108810), (702, 102610), (780, 92349), (806, 89370), (837, 86060), (930, 77454), (993, 72540), (1116, 64545), (1170, 61566), (1209, 59580), (1324, 54405), (1395, 51636), (1404, 51305), (1612, 44685), (1655, 43524), (1674, 43030), (1755, 41044), (1860, 38727), (1986, 36270), (2015, 35748), (2340, 30783), (2418, 29790), (2790, 25818), (2979, 24180), (3310, 21762), (3348, 21515), (3510, 20522), (3627, 19860), (3972, 18135), (4030, 17874), (4185, 17212), (4303, 16740), (4836, 14895), (4965, 14508), (5580, 12909), (5958, 12090), (6045, 11916), (6620, 10881), (7020, 10261), (7254, 9930), (8060, 8937), (8370, 8606)]