28850640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1321}}^1$

素因数の和:1357

約数の個数: 160

約数和(自身を含む): 110159616

約数和(自身を除く): 81308976

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1321, 1365, 1456, 1560, 1680, 1820, 2184, 2642, 2730, 3120, 3640, 3963, 4368, 5284, 5460, 6605, 7280, 7926, 9247, 10568, 10920, 13210, 15852, 17173, 18494, 19815, 21136, 21840, 26420, 27741, 31704, 34346, 36988, 39630, 46235, 51519, 52840, 55482, 63408, 68692, 73976, 79260, 85865, 92470, 103038, 105680, 110964, 120211, 137384, 138705, 147952, 158520, 171730, 184940, 206076, 221928, 240422, 257595, 274768, 277410, 317040, 343460, 360633, 369880, 412152, 443856, 480844, 515190, 554820, 601055, 686920, 721266, 739760, 824304, 961688, 1030380, 1109640, 1202110, 1373840, 1442532, 1803165, 1923376, 2060760, 2219280, 2404220, 2885064, 3606330, 4121520, 4808440, 5770128, 7212660, 9616880, 14425320, 28850640]

約数ペア:

[(1, 28850640), (2, 14425320), (3, 9616880), (4, 7212660), (5, 5770128), (6, 4808440), (7, 4121520), (8, 3606330), (10, 2885064), (12, 2404220), (13, 2219280), (14, 2060760), (15, 1923376), (16, 1803165), (20, 1442532), (21, 1373840), (24, 1202110), (26, 1109640), (28, 1030380), (30, 961688), (35, 824304), (39, 739760), (40, 721266), (42, 686920), (48, 601055), (52, 554820), (56, 515190), (60, 480844), (65, 443856), (70, 412152), (78, 369880), (80, 360633), (84, 343460), (91, 317040), (104, 277410), (105, 274768), (112, 257595), (120, 240422), (130, 221928), (140, 206076), (156, 184940), (168, 171730), (182, 158520), (195, 147952), (208, 138705), (210, 137384), (240, 120211), (260, 110964), (273, 105680), (280, 103038), (312, 92470), (336, 85865), (364, 79260), (390, 73976), (420, 68692), (455, 63408), (520, 55482), (546, 52840), (560, 51519), (624, 46235), (728, 39630), (780, 36988), (840, 34346), (910, 31704), (1040, 27741), (1092, 26420), (1321, 21840), (1365, 21136), (1456, 19815), (1560, 18494), (1680, 17173), (1820, 15852), (2184, 13210), (2642, 10920), (2730, 10568), (3120, 9247), (3640, 7926), (3963, 7280), (4368, 6605), (5284, 5460)]