31772580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:234

約数の個数: 144

約数和(自身を含む): 105489216

約数和(自身を除く): 73716636

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, 101, 105, 107, 140, 147, 196, 202, 210, 214, 245, 294, 303, 321, 404, 420, 428, 490, 505, 535, 588, 606, 642, 707, 735, 749, 980, 1010, 1070, 1212, 1284, 1414, 1470, 1498, 1515, 1605, 2020, 2121, 2140, 2247, 2828, 2940, 2996, 3030, 3210, 3535, 3745, 4242, 4494, 4949, 5243, 6060, 6420, 7070, 7490, 8484, 8988, 9898, 10486, 10605, 10807, 11235, 14140, 14847, 14980, 15729, 19796, 20972, 21210, 21614, 22470, 24745, 26215, 29694, 31458, 32421, 42420, 43228, 44940, 49490, 52430, 54035, 59388, 62916, 64842, 74235, 75649, 78645, 98980, 104860, 108070, 129684, 148470, 151298, 157290, 162105, 216140, 226947, 296940, 302596, 314580, 324210, 378245, 453894, 529543, 648420, 756490, 907788, 1059086, 1134735, 1512980, 1588629, 2118172, 2269470, 2647715, 3177258, 4538940, 5295430, 6354516, 7943145, 10590860, 15886290, 31772580]

約数ペア:

[(1, 31772580), (2, 15886290), (3, 10590860), (4, 7943145), (5, 6354516), (6, 5295430), (7, 4538940), (10, 3177258), (12, 2647715), (14, 2269470), (15, 2118172), (20, 1588629), (21, 1512980), (28, 1134735), (30, 1059086), (35, 907788), (42, 756490), (49, 648420), (60, 529543), (70, 453894), (84, 378245), (98, 324210), (101, 314580), (105, 302596), (107, 296940), (140, 226947), (147, 216140), (196, 162105), (202, 157290), (210, 151298), (214, 148470), (245, 129684), (294, 108070), (303, 104860), (321, 98980), (404, 78645), (420, 75649), (428, 74235), (490, 64842), (505, 62916), (535, 59388), (588, 54035), (606, 52430), (642, 49490), (707, 44940), (735, 43228), (749, 42420), (980, 32421), (1010, 31458), (1070, 29694), (1212, 26215), (1284, 24745), (1414, 22470), (1470, 21614), (1498, 21210), (1515, 20972), (1605, 19796), (2020, 15729), (2121, 14980), (2140, 14847), (2247, 14140), (2828, 11235), (2940, 10807), (2996, 10605), (3030, 10486), (3210, 9898), (3535, 8988), (3745, 8484), (4242, 7490), (4494, 7070), (4949, 6420), (5243, 6060)]