55605780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:334

約数の個数: 144

約数和(自身を含む): 180835200

約数和(自身を除く): 125229420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 71, 76, 90, 95, 114, 142, 171, 180, 190, 213, 228, 229, 284, 285, 342, 355, 380, 426, 458, 570, 639, 684, 687, 710, 852, 855, 916, 1065, 1140, 1145, 1278, 1349, 1374, 1420, 1710, 2061, 2130, 2290, 2556, 2698, 2748, 3195, 3420, 3435, 4047, 4122, 4260, 4351, 4580, 5396, 6390, 6745, 6870, 8094, 8244, 8702, 10305, 12141, 12780, 13053, 13490, 13740, 16188, 16259, 17404, 20235, 20610, 21755, 24282, 26106, 26980, 32518, 39159, 40470, 41220, 43510, 48564, 48777, 52212, 60705, 65036, 65265, 78318, 80940, 81295, 87020, 97554, 121410, 130530, 146331, 156636, 162590, 195108, 195795, 242820, 243885, 261060, 292662, 308921, 325180, 391590, 487770, 585324, 617842, 731655, 783180, 926763, 975540, 1235684, 1463310, 1544605, 1853526, 2780289, 2926620, 3089210, 3707052, 4633815, 5560578, 6178420, 9267630, 11121156, 13901445, 18535260, 27802890, 55605780]

約数ペア:

[(1, 55605780), (2, 27802890), (3, 18535260), (4, 13901445), (5, 11121156), (6, 9267630), (9, 6178420), (10, 5560578), (12, 4633815), (15, 3707052), (18, 3089210), (19, 2926620), (20, 2780289), (30, 1853526), (36, 1544605), (38, 1463310), (45, 1235684), (57, 975540), (60, 926763), (71, 783180), (76, 731655), (90, 617842), (95, 585324), (114, 487770), (142, 391590), (171, 325180), (180, 308921), (190, 292662), (213, 261060), (228, 243885), (229, 242820), (284, 195795), (285, 195108), (342, 162590), (355, 156636), (380, 146331), (426, 130530), (458, 121410), (570, 97554), (639, 87020), (684, 81295), (687, 80940), (710, 78318), (852, 65265), (855, 65036), (916, 60705), (1065, 52212), (1140, 48777), (1145, 48564), (1278, 43510), (1349, 41220), (1374, 40470), (1420, 39159), (1710, 32518), (2061, 26980), (2130, 26106), (2290, 24282), (2556, 21755), (2698, 20610), (2748, 20235), (3195, 17404), (3420, 16259), (3435, 16188), (4047, 13740), (4122, 13490), (4260, 13053), (4351, 12780), (4580, 12141), (5396, 10305), (6390, 8702), (6745, 8244), (6870, 8094)]