72814980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{24767}}^1$

素因数の和:24793

約数の個数: 72

約数和(自身を含む): 237178368

約数和(自身を除く): 164363388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 24767, 49534, 74301, 99068, 123835, 148602, 173369, 247670, 297204, 346738, 371505, 495340, 520107, 693476, 743010, 866845, 1040214, 1213583, 1486020, 1733690, 2080428, 2427166, 2600535, 3467380, 3640749, 4854332, 5201070, 6067915, 7281498, 10402140, 12135830, 14562996, 18203745, 24271660, 36407490, 72814980]

約数ペア:

[(1, 72814980), (2, 36407490), (3, 24271660), (4, 18203745), (5, 14562996), (6, 12135830), (7, 10402140), (10, 7281498), (12, 6067915), (14, 5201070), (15, 4854332), (20, 3640749), (21, 3467380), (28, 2600535), (30, 2427166), (35, 2080428), (42, 1733690), (49, 1486020), (60, 1213583), (70, 1040214), (84, 866845), (98, 743010), (105, 693476), (140, 520107), (147, 495340), (196, 371505), (210, 346738), (245, 297204), (294, 247670), (420, 173369), (490, 148602), (588, 123835), (735, 99068), (980, 74301), (1470, 49534), (2940, 24767)]