128440130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:244

約数の個数: 128

約数和(自身を含む): 305786880

約数和(自身を除く): 177346750

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 29, 31, 35, 58, 62, 65, 70, 91, 130, 145, 155, 157, 182, 203, 217, 290, 310, 314, 377, 403, 406, 434, 455, 754, 785, 806, 899, 910, 1015, 1085, 1099, 1570, 1798, 1885, 2015, 2030, 2041, 2170, 2198, 2639, 2821, 3770, 4030, 4082, 4495, 4553, 4867, 5278, 5495, 5642, 6293, 8990, 9106, 9734, 10205, 10990, 11687, 12586, 13195, 14105, 14287, 20410, 22765, 23374, 24335, 26390, 28210, 28574, 31465, 31871, 34069, 45530, 48670, 58435, 59189, 62930, 63271, 63742, 68138, 71435, 81809, 116870, 118378, 126542, 141143, 142870, 159355, 163618, 170345, 282286, 295945, 316355, 318710, 340690, 409045, 414323, 442897, 591890, 632710, 705715, 818090, 828646, 885794, 988001, 1411430, 1834859, 1976002, 2071615, 2214485, 3669718, 4143230, 4428970, 4940005, 9174295, 9880010, 12844013, 18348590, 25688026, 64220065, 128440130]

約数ペア:

[(1, 128440130), (2, 64220065), (5, 25688026), (7, 18348590), (10, 12844013), (13, 9880010), (14, 9174295), (26, 4940005), (29, 4428970), (31, 4143230), (35, 3669718), (58, 2214485), (62, 2071615), (65, 1976002), (70, 1834859), (91, 1411430), (130, 988001), (145, 885794), (155, 828646), (157, 818090), (182, 705715), (203, 632710), (217, 591890), (290, 442897), (310, 414323), (314, 409045), (377, 340690), (403, 318710), (406, 316355), (434, 295945), (455, 282286), (754, 170345), (785, 163618), (806, 159355), (899, 142870), (910, 141143), (1015, 126542), (1085, 118378), (1099, 116870), (1570, 81809), (1798, 71435), (1885, 68138), (2015, 63742), (2030, 63271), (2041, 62930), (2170, 59189), (2198, 58435), (2639, 48670), (2821, 45530), (3770, 34069), (4030, 31871), (4082, 31465), (4495, 28574), (4553, 28210), (4867, 26390), (5278, 24335), (5495, 23374), (5642, 22765), (6293, 20410), (8990, 14287), (9106, 14105), (9734, 13195), (10205, 12586), (10990, 11687)]