72972160

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1$

素因数の和:408

約数の個数: 128

約数和(自身を含む): 194983200

約数和(自身を除く): 122011040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 128, 136, 152, 160, 170, 190, 272, 304, 320, 323, 340, 353, 380, 544, 608, 640, 646, 680, 706, 760, 1088, 1216, 1292, 1360, 1412, 1520, 1615, 1765, 2176, 2432, 2584, 2720, 2824, 3040, 3230, 3530, 5168, 5440, 5648, 6001, 6080, 6460, 6707, 7060, 10336, 10880, 11296, 12002, 12160, 12920, 13414, 14120, 20672, 22592, 24004, 25840, 26828, 28240, 30005, 33535, 41344, 45184, 48008, 51680, 53656, 56480, 60010, 67070, 96016, 103360, 107312, 112960, 114019, 120020, 134140, 192032, 206720, 214624, 225920, 228038, 240040, 268280, 384064, 429248, 456076, 480080, 536560, 570095, 768128, 858496, 912152, 960160, 1073120, 1140190, 1824304, 1920320, 2146240, 2280380, 3648608, 3840640, 4292480, 4560760, 7297216, 9121520, 14594432, 18243040, 36486080, 72972160]

約数ペア:

[(1, 72972160), (2, 36486080), (4, 18243040), (5, 14594432), (8, 9121520), (10, 7297216), (16, 4560760), (17, 4292480), (19, 3840640), (20, 3648608), (32, 2280380), (34, 2146240), (38, 1920320), (40, 1824304), (64, 1140190), (68, 1073120), (76, 960160), (80, 912152), (85, 858496), (95, 768128), (128, 570095), (136, 536560), (152, 480080), (160, 456076), (170, 429248), (190, 384064), (272, 268280), (304, 240040), (320, 228038), (323, 225920), (340, 214624), (353, 206720), (380, 192032), (544, 134140), (608, 120020), (640, 114019), (646, 112960), (680, 107312), (706, 103360), (760, 96016), (1088, 67070), (1216, 60010), (1292, 56480), (1360, 53656), (1412, 51680), (1520, 48008), (1615, 45184), (1765, 41344), (2176, 33535), (2432, 30005), (2584, 28240), (2720, 26828), (2824, 25840), (3040, 24004), (3230, 22592), (3530, 20672), (5168, 14120), (5440, 13414), (5648, 12920), (6001, 12160), (6080, 12002), (6460, 11296), (6707, 10880), (7060, 10336)]