61890920

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{347}}^1$

素因数の和:392

約数の個数: 128

約数和(自身を含む): 175392000

約数和(自身を除く): 113501080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 343, 347, 364, 392, 455, 490, 520, 637, 686, 694, 728, 910, 980, 1274, 1372, 1388, 1715, 1735, 1820, 1960, 2429, 2548, 2744, 2776, 3185, 3430, 3470, 3640, 4459, 4511, 4858, 5096, 6370, 6860, 6940, 8918, 9022, 9716, 12145, 12740, 13720, 13880, 17003, 17836, 18044, 19432, 22295, 22555, 24290, 25480, 31577, 34006, 35672, 36088, 44590, 45110, 48580, 63154, 68012, 85015, 89180, 90220, 97160, 119021, 126308, 136024, 157885, 170030, 178360, 180440, 221039, 238042, 252616, 315770, 340060, 442078, 476084, 595105, 631540, 680120, 884156, 952168, 1105195, 1190210, 1263080, 1547273, 1768312, 2210390, 2380420, 3094546, 4420780, 4760840, 6189092, 7736365, 8841560, 12378184, 15472730, 30945460, 61890920]

約数ペア:

[(1, 61890920), (2, 30945460), (4, 15472730), (5, 12378184), (7, 8841560), (8, 7736365), (10, 6189092), (13, 4760840), (14, 4420780), (20, 3094546), (26, 2380420), (28, 2210390), (35, 1768312), (40, 1547273), (49, 1263080), (52, 1190210), (56, 1105195), (65, 952168), (70, 884156), (91, 680120), (98, 631540), (104, 595105), (130, 476084), (140, 442078), (182, 340060), (196, 315770), (245, 252616), (260, 238042), (280, 221039), (343, 180440), (347, 178360), (364, 170030), (392, 157885), (455, 136024), (490, 126308), (520, 119021), (637, 97160), (686, 90220), (694, 89180), (728, 85015), (910, 68012), (980, 63154), (1274, 48580), (1372, 45110), (1388, 44590), (1715, 36088), (1735, 35672), (1820, 34006), (1960, 31577), (2429, 25480), (2548, 24290), (2744, 22555), (2776, 22295), (3185, 19432), (3430, 18044), (3470, 17836), (3640, 17003), (4459, 13880), (4511, 13720), (4858, 12740), (5096, 12145), (6370, 9716), (6860, 9022), (6940, 8918)]