131851260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:289

約数の個数: 192

約数和(自身を含む): 440294400

約数和(自身を除く): 308443140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 71, 76, 90, 95, 108, 114, 135, 142, 171, 180, 181, 190, 213, 228, 270, 284, 285, 342, 355, 362, 380, 426, 513, 540, 543, 570, 639, 684, 710, 724, 852, 855, 905, 1026, 1065, 1086, 1140, 1278, 1349, 1420, 1629, 1710, 1810, 1917, 2052, 2130, 2172, 2556, 2565, 2698, 2715, 3195, 3258, 3420, 3439, 3620, 3834, 4047, 4260, 4887, 5130, 5396, 5430, 6390, 6516, 6745, 6878, 7668, 8094, 8145, 9585, 9774, 10260, 10317, 10860, 12141, 12780, 12851, 13490, 13756, 16188, 16290, 17195, 19170, 19548, 20235, 20634, 24282, 24435, 25702, 26980, 30951, 32580, 34390, 36423, 38340, 38553, 40470, 41268, 48564, 48870, 51404, 51585, 60705, 61902, 64255, 68780, 72846, 77106, 80940, 92853, 97740, 103170, 115659, 121410, 123804, 128510, 145692, 154212, 154755, 182115, 185706, 192765, 206340, 231318, 242820, 244169, 257020, 309510, 346977, 364230, 371412, 385530, 462636, 464265, 488338, 578295, 619020, 693954, 728460, 732507, 771060, 928530, 976676, 1156590, 1220845, 1387908, 1465014, 1734885, 1857060, 2197521, 2313180, 2441690, 2930028, 3469770, 3662535, 4395042, 4883380, 6592563, 6939540, 7325070, 8790084, 10987605, 13185126, 14650140, 21975210, 26370252, 32962815, 43950420, 65925630, 131851260]

約数ペア:

[(1, 131851260), (2, 65925630), (3, 43950420), (4, 32962815), (5, 26370252), (6, 21975210), (9, 14650140), (10, 13185126), (12, 10987605), (15, 8790084), (18, 7325070), (19, 6939540), (20, 6592563), (27, 4883380), (30, 4395042), (36, 3662535), (38, 3469770), (45, 2930028), (54, 2441690), (57, 2313180), (60, 2197521), (71, 1857060), (76, 1734885), (90, 1465014), (95, 1387908), (108, 1220845), (114, 1156590), (135, 976676), (142, 928530), (171, 771060), (180, 732507), (181, 728460), (190, 693954), (213, 619020), (228, 578295), (270, 488338), (284, 464265), (285, 462636), (342, 385530), (355, 371412), (362, 364230), (380, 346977), (426, 309510), (513, 257020), (540, 244169), (543, 242820), (570, 231318), (639, 206340), (684, 192765), (710, 185706), (724, 182115), (852, 154755), (855, 154212), (905, 145692), (1026, 128510), (1065, 123804), (1086, 121410), (1140, 115659), (1278, 103170), (1349, 97740), (1420, 92853), (1629, 80940), (1710, 77106), (1810, 72846), (1917, 68780), (2052, 64255), (2130, 61902), (2172, 60705), (2556, 51585), (2565, 51404), (2698, 48870), (2715, 48564), (3195, 41268), (3258, 40470), (3420, 38553), (3439, 38340), (3620, 36423), (3834, 34390), (4047, 32580), (4260, 30951), (4887, 26980), (5130, 25702), (5396, 24435), (5430, 24282), (6390, 20634), (6516, 20235), (6745, 19548), (6878, 19170), (7668, 17195), (8094, 16290), (8145, 16188), (9585, 13756), (9774, 13490), (10260, 12851), (10317, 12780), (10860, 12141)]