31812735780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{40013}}^1$

素因数の和:40666

約数の個数: 144

約数和(自身を含む): 110461688064

約数和(自身を除く): 78648952284

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 631, 1260, 1262, 1893, 2524, 3155, 3786, 4417, 5679, 6310, 7572, 8834, 9465, 11358, 12620, 13251, 17668, 18930, 22085, 22716, 26502, 28395, 37860, 39753, 40013, 44170, 53004, 56790, 66255, 79506, 80026, 88340, 113580, 120039, 132510, 159012, 160052, 198765, 200065, 240078, 265020, 280091, 360117, 397530, 400130, 480156, 560182, 600195, 720234, 795060, 800260, 840273, 1120364, 1200390, 1400455, 1440468, 1680546, 1800585, 2400780, 2520819, 2800910, 3361092, 3601170, 4201365, 5041638, 5601820, 7202340, 8402730, 10083276, 12604095, 16805460, 25208190, 25248203, 50416380, 50496406, 75744609, 100992812, 126241015, 151489218, 176737421, 227233827, 252482030, 302978436, 353474842, 378723045, 454467654, 504964060, 530212263, 706949684, 757446090, 883687105, 908935308, 1060424526, 1136169135, 1514892180, 1590636789, 1767374210, 2120849052, 2272338270, 2651061315, 3181273578, 3534748420, 4544676540, 5302122630, 6362547156, 7953183945, 10604245260, 15906367890, 31812735780]

約数ペア:

[(1, 31812735780), (2, 15906367890), (3, 10604245260), (4, 7953183945), (5, 6362547156), (6, 5302122630), (7, 4544676540), (9, 3534748420), (10, 3181273578), (12, 2651061315), (14, 2272338270), (15, 2120849052), (18, 1767374210), (20, 1590636789), (21, 1514892180), (28, 1136169135), (30, 1060424526), (35, 908935308), (36, 883687105), (42, 757446090), (45, 706949684), (60, 530212263), (63, 504964060), (70, 454467654), (84, 378723045), (90, 353474842), (105, 302978436), (126, 252482030), (140, 227233827), (180, 176737421), (210, 151489218), (252, 126241015), (315, 100992812), (420, 75744609), (630, 50496406), (631, 50416380), (1260, 25248203), (1262, 25208190), (1893, 16805460), (2524, 12604095), (3155, 10083276), (3786, 8402730), (4417, 7202340), (5679, 5601820), (6310, 5041638), (7572, 4201365), (8834, 3601170), (9465, 3361092), (11358, 2800910), (12620, 2520819), (13251, 2400780), (17668, 1800585), (18930, 1680546), (22085, 1440468), (22716, 1400455), (26502, 1200390), (28395, 1120364), (37860, 840273), (39753, 800260), (40013, 795060), (44170, 720234), (53004, 600195), (56790, 560182), (66255, 480156), (79506, 400130), (80026, 397530), (88340, 360117), (113580, 280091), (120039, 265020), (132510, 240078), (159012, 200065), (160052, 198765)]