281306480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2273}}^1$

素因数の和:2323

約数の個数: 160

約数和(自身を含む): 852695424

約数和(自身を除く): 571388944

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 80, 85, 91, 104, 112, 119, 130, 136, 140, 170, 182, 208, 221, 238, 260, 272, 280, 340, 364, 442, 455, 476, 520, 560, 595, 680, 728, 884, 910, 952, 1040, 1105, 1190, 1360, 1456, 1547, 1768, 1820, 1904, 2210, 2273, 2380, 3094, 3536, 3640, 4420, 4546, 4760, 6188, 7280, 7735, 8840, 9092, 9520, 11365, 12376, 15470, 15911, 17680, 18184, 22730, 24752, 29549, 30940, 31822, 36368, 38641, 45460, 59098, 61880, 63644, 77282, 79555, 90920, 118196, 123760, 127288, 147745, 154564, 159110, 181840, 193205, 206843, 236392, 254576, 270487, 295490, 309128, 318220, 386410, 413686, 472784, 502333, 540974, 590980, 618256, 636440, 772820, 827372, 1004666, 1034215, 1081948, 1181960, 1272880, 1352435, 1545640, 1654744, 2009332, 2068430, 2163896, 2363920, 2511665, 2704870, 3091280, 3309488, 3516331, 4018664, 4136860, 4327792, 5023330, 5409740, 7032662, 8037328, 8273720, 10046660, 10819480, 14065324, 16547440, 17581655, 20093320, 21638960, 28130648, 35163310, 40186640, 56261296, 70326620, 140653240, 281306480]

約数ペア:

[(1, 281306480), (2, 140653240), (4, 70326620), (5, 56261296), (7, 40186640), (8, 35163310), (10, 28130648), (13, 21638960), (14, 20093320), (16, 17581655), (17, 16547440), (20, 14065324), (26, 10819480), (28, 10046660), (34, 8273720), (35, 8037328), (40, 7032662), (52, 5409740), (56, 5023330), (65, 4327792), (68, 4136860), (70, 4018664), (80, 3516331), (85, 3309488), (91, 3091280), (104, 2704870), (112, 2511665), (119, 2363920), (130, 2163896), (136, 2068430), (140, 2009332), (170, 1654744), (182, 1545640), (208, 1352435), (221, 1272880), (238, 1181960), (260, 1081948), (272, 1034215), (280, 1004666), (340, 827372), (364, 772820), (442, 636440), (455, 618256), (476, 590980), (520, 540974), (560, 502333), (595, 472784), (680, 413686), (728, 386410), (884, 318220), (910, 309128), (952, 295490), (1040, 270487), (1105, 254576), (1190, 236392), (1360, 206843), (1456, 193205), (1547, 181840), (1768, 159110), (1820, 154564), (1904, 147745), (2210, 127288), (2273, 123760), (2380, 118196), (3094, 90920), (3536, 79555), (3640, 77282), (4420, 63644), (4546, 61880), (4760, 59098), (6188, 45460), (7280, 38641), (7735, 36368), (8840, 31822), (9092, 30940), (9520, 29549), (11365, 24752), (12376, 22730), (15470, 18184), (15911, 17680)]