202800915

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:634

約数の個数: 80

約数和(自身を含む): 388903680

約数和(自身を除く): 186102765

約数列:

[1, 3, 5, 9, 15, 27, 29, 31, 45, 81, 87, 93, 135, 145, 155, 261, 279, 405, 435, 465, 557, 783, 837, 899, 1305, 1395, 1671, 2349, 2511, 2697, 2785, 3915, 4185, 4495, 5013, 8091, 8355, 11745, 12555, 13485, 15039, 16153, 17267, 24273, 25065, 40455, 45117, 48459, 51801, 72819, 75195, 80765, 86335, 121365, 145377, 155403, 225585, 242295, 259005, 364095, 436131, 466209, 500743, 726885, 777015, 1308393, 1398627, 1502229, 2180655, 2331045, 2503715, 4506687, 6541965, 6993135, 7511145, 13520061, 22533435, 40560183, 67600305, 202800915]

約数ペア:

[(1, 202800915), (3, 67600305), (5, 40560183), (9, 22533435), (15, 13520061), (27, 7511145), (29, 6993135), (31, 6541965), (45, 4506687), (81, 2503715), (87, 2331045), (93, 2180655), (135, 1502229), (145, 1398627), (155, 1308393), (261, 777015), (279, 726885), (405, 500743), (435, 466209), (465, 436131), (557, 364095), (783, 259005), (837, 242295), (899, 225585), (1305, 155403), (1395, 145377), (1671, 121365), (2349, 86335), (2511, 80765), (2697, 75195), (2785, 72819), (3915, 51801), (4185, 48459), (4495, 45117), (5013, 40455), (8091, 25065), (8355, 24273), (11745, 17267), (12555, 16153), (13485, 15039)]