16090720

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 96

約数和(自身を含む): 41126400

約数和(自身を除く): 25035680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 67, 76, 79, 80, 95, 134, 152, 158, 160, 190, 268, 304, 316, 335, 380, 395, 536, 608, 632, 670, 760, 790, 1072, 1264, 1273, 1340, 1501, 1520, 1580, 2144, 2528, 2546, 2680, 3002, 3040, 3160, 5092, 5293, 5360, 6004, 6320, 6365, 7505, 10184, 10586, 10720, 12008, 12640, 12730, 15010, 20368, 21172, 24016, 25460, 26465, 30020, 40736, 42344, 48032, 50920, 52930, 60040, 84688, 100567, 101840, 105860, 120080, 169376, 201134, 203680, 211720, 240160, 402268, 423440, 502835, 804536, 846880, 1005670, 1609072, 2011340, 3218144, 4022680, 8045360, 16090720]

約数ペア:

[(1, 16090720), (2, 8045360), (4, 4022680), (5, 3218144), (8, 2011340), (10, 1609072), (16, 1005670), (19, 846880), (20, 804536), (32, 502835), (38, 423440), (40, 402268), (67, 240160), (76, 211720), (79, 203680), (80, 201134), (95, 169376), (134, 120080), (152, 105860), (158, 101840), (160, 100567), (190, 84688), (268, 60040), (304, 52930), (316, 50920), (335, 48032), (380, 42344), (395, 40736), (536, 30020), (608, 26465), (632, 25460), (670, 24016), (760, 21172), (790, 20368), (1072, 15010), (1264, 12730), (1273, 12640), (1340, 12008), (1501, 10720), (1520, 10586), (1580, 10184), (2144, 7505), (2528, 6365), (2546, 6320), (2680, 6004), (3002, 5360), (3040, 5293), (3160, 5092)]