84978640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1511}}^1$

素因数の和:1580

約数の個数: 80

約数和(自身を含む): 213736320

約数和(自身を除く): 128757680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 296, 304, 370, 380, 592, 703, 740, 760, 1406, 1480, 1511, 1520, 2812, 2960, 3022, 3515, 5624, 6044, 7030, 7555, 11248, 12088, 14060, 15110, 24176, 28120, 28709, 30220, 55907, 56240, 57418, 60440, 111814, 114836, 120880, 143545, 223628, 229672, 279535, 287090, 447256, 459344, 559070, 574180, 894512, 1062233, 1118140, 1148360, 2124466, 2236280, 2296720, 4248932, 4472560, 5311165, 8497864, 10622330, 16995728, 21244660, 42489320, 84978640]

約数ペア:

[(1, 84978640), (2, 42489320), (4, 21244660), (5, 16995728), (8, 10622330), (10, 8497864), (16, 5311165), (19, 4472560), (20, 4248932), (37, 2296720), (38, 2236280), (40, 2124466), (74, 1148360), (76, 1118140), (80, 1062233), (95, 894512), (148, 574180), (152, 559070), (185, 459344), (190, 447256), (296, 287090), (304, 279535), (370, 229672), (380, 223628), (592, 143545), (703, 120880), (740, 114836), (760, 111814), (1406, 60440), (1480, 57418), (1511, 56240), (1520, 55907), (2812, 30220), (2960, 28709), (3022, 28120), (3515, 24176), (5624, 15110), (6044, 14060), (7030, 12088), (7555, 11248)]