128935520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:197

約数の個数: 192

約数和(自身を含む): 375943680

約数和(自身を除く): 247008160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 73, 76, 80, 83, 95, 112, 133, 140, 146, 152, 160, 166, 190, 224, 266, 280, 292, 304, 332, 365, 380, 415, 511, 532, 560, 581, 584, 608, 664, 665, 730, 760, 830, 1022, 1064, 1120, 1162, 1168, 1328, 1330, 1387, 1460, 1520, 1577, 1660, 2044, 2128, 2324, 2336, 2555, 2656, 2660, 2774, 2905, 2920, 3040, 3154, 3320, 4088, 4256, 4648, 5110, 5320, 5548, 5810, 5840, 6059, 6308, 6640, 6935, 7885, 8176, 9296, 9709, 10220, 10640, 11039, 11096, 11620, 11680, 12118, 12616, 13280, 13870, 15770, 16352, 18592, 19418, 20440, 21280, 22078, 22192, 23240, 24236, 25232, 27740, 30295, 31540, 38836, 40880, 42413, 44156, 44384, 46480, 48472, 48545, 50464, 55195, 55480, 60590, 63080, 77672, 81760, 84826, 88312, 92960, 96944, 97090, 110390, 110960, 115121, 121180, 126160, 155344, 169652, 176624, 193888, 194180, 212065, 220780, 221920, 230242, 242360, 252320, 310688, 339304, 353248, 388360, 424130, 441560, 460484, 484720, 575605, 678608, 776720, 805847, 848260, 883120, 920968, 969440, 1151210, 1357216, 1553440, 1611694, 1696520, 1766240, 1841936, 2302420, 3223388, 3393040, 3683872, 4029235, 4604840, 6446776, 6786080, 8058470, 9209680, 12893552, 16116940, 18419360, 25787104, 32233880, 64467760, 128935520]

約数ペア:

[(1, 128935520), (2, 64467760), (4, 32233880), (5, 25787104), (7, 18419360), (8, 16116940), (10, 12893552), (14, 9209680), (16, 8058470), (19, 6786080), (20, 6446776), (28, 4604840), (32, 4029235), (35, 3683872), (38, 3393040), (40, 3223388), (56, 2302420), (70, 1841936), (73, 1766240), (76, 1696520), (80, 1611694), (83, 1553440), (95, 1357216), (112, 1151210), (133, 969440), (140, 920968), (146, 883120), (152, 848260), (160, 805847), (166, 776720), (190, 678608), (224, 575605), (266, 484720), (280, 460484), (292, 441560), (304, 424130), (332, 388360), (365, 353248), (380, 339304), (415, 310688), (511, 252320), (532, 242360), (560, 230242), (581, 221920), (584, 220780), (608, 212065), (664, 194180), (665, 193888), (730, 176624), (760, 169652), (830, 155344), (1022, 126160), (1064, 121180), (1120, 115121), (1162, 110960), (1168, 110390), (1328, 97090), (1330, 96944), (1387, 92960), (1460, 88312), (1520, 84826), (1577, 81760), (1660, 77672), (2044, 63080), (2128, 60590), (2324, 55480), (2336, 55195), (2555, 50464), (2656, 48545), (2660, 48472), (2774, 46480), (2905, 44384), (2920, 44156), (3040, 42413), (3154, 40880), (3320, 38836), (4088, 31540), (4256, 30295), (4648, 27740), (5110, 25232), (5320, 24236), (5548, 23240), (5810, 22192), (5840, 22078), (6059, 21280), (6308, 20440), (6640, 19418), (6935, 18592), (7885, 16352), (8176, 15770), (9296, 13870), (9709, 13280), (10220, 12616), (10640, 12118), (11039, 11680), (11096, 11620)]