1866705920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:694

約数の個数: 176

約数和(自身を含む): 4873497600

約数和(自身を除く): 3006791680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 248, 256, 304, 310, 320, 380, 496, 512, 589, 608, 619, 620, 640, 760, 992, 1024, 1178, 1216, 1238, 1240, 1280, 1520, 1984, 2356, 2432, 2476, 2480, 2560, 2945, 3040, 3095, 3968, 4712, 4864, 4952, 4960, 5120, 5890, 6080, 6190, 7936, 9424, 9728, 9904, 9920, 11761, 11780, 12160, 12380, 15872, 18848, 19189, 19456, 19808, 19840, 23522, 23560, 24320, 24760, 31744, 37696, 38378, 39616, 39680, 47044, 47120, 48640, 49520, 58805, 75392, 76756, 79232, 79360, 94088, 94240, 95945, 97280, 99040, 117610, 150784, 153512, 158464, 158720, 188176, 188480, 191890, 198080, 235220, 301568, 307024, 316928, 364591, 376352, 376960, 383780, 396160, 470440, 603136, 614048, 633856, 729182, 752704, 753920, 767560, 792320, 940880, 1228096, 1458364, 1505408, 1507840, 1535120, 1584640, 1822955, 1881760, 2456192, 2916728, 3010816, 3015680, 3070240, 3169280, 3645910, 3763520, 4912384, 5833456, 6021632, 6140480, 7291820, 7527040, 9824768, 11666912, 12043264, 12280960, 14583640, 15054080, 19649536, 23333824, 24561920, 29167280, 30108160, 46667648, 49123840, 58334560, 60216320, 93335296, 98247680, 116669120, 186670592, 233338240, 373341184, 466676480, 933352960, 1866705920]

約数ペア:

[(1, 1866705920), (2, 933352960), (4, 466676480), (5, 373341184), (8, 233338240), (10, 186670592), (16, 116669120), (19, 98247680), (20, 93335296), (31, 60216320), (32, 58334560), (38, 49123840), (40, 46667648), (62, 30108160), (64, 29167280), (76, 24561920), (80, 23333824), (95, 19649536), (124, 15054080), (128, 14583640), (152, 12280960), (155, 12043264), (160, 11666912), (190, 9824768), (248, 7527040), (256, 7291820), (304, 6140480), (310, 6021632), (320, 5833456), (380, 4912384), (496, 3763520), (512, 3645910), (589, 3169280), (608, 3070240), (619, 3015680), (620, 3010816), (640, 2916728), (760, 2456192), (992, 1881760), (1024, 1822955), (1178, 1584640), (1216, 1535120), (1238, 1507840), (1240, 1505408), (1280, 1458364), (1520, 1228096), (1984, 940880), (2356, 792320), (2432, 767560), (2476, 753920), (2480, 752704), (2560, 729182), (2945, 633856), (3040, 614048), (3095, 603136), (3968, 470440), (4712, 396160), (4864, 383780), (4952, 376960), (4960, 376352), (5120, 364591), (5890, 316928), (6080, 307024), (6190, 301568), (7936, 235220), (9424, 198080), (9728, 191890), (9904, 188480), (9920, 188176), (11761, 158720), (11780, 158464), (12160, 153512), (12380, 150784), (15872, 117610), (18848, 99040), (19189, 97280), (19456, 95945), (19808, 94240), (19840, 94088), (23522, 79360), (23560, 79232), (24320, 76756), (24760, 75392), (31744, 58805), (37696, 49520), (38378, 48640), (39616, 47120), (39680, 47044)]