1808721840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{327667}}^1$

素因数の和:327706

約数の個数: 80

約数和(自身を含む): 5850839808

約数和(自身を除く): 4042117968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 327667, 655334, 983001, 1310668, 1638335, 1966002, 2621336, 3276670, 3932004, 4915005, 5242672, 6553340, 7536341, 7864008, 9830010, 13106680, 15072682, 15728016, 19660020, 22609023, 26213360, 30145364, 37681705, 39320040, 45218046, 60290728, 75363410, 78640080, 90436092, 113045115, 120581456, 150726820, 180872184, 226090230, 301453640, 361744368, 452180460, 602907280, 904360920, 1808721840]

約数ペア:

[(1, 1808721840), (2, 904360920), (3, 602907280), (4, 452180460), (5, 361744368), (6, 301453640), (8, 226090230), (10, 180872184), (12, 150726820), (15, 120581456), (16, 113045115), (20, 90436092), (23, 78640080), (24, 75363410), (30, 60290728), (40, 45218046), (46, 39320040), (48, 37681705), (60, 30145364), (69, 26213360), (80, 22609023), (92, 19660020), (115, 15728016), (120, 15072682), (138, 13106680), (184, 9830010), (230, 7864008), (240, 7536341), (276, 6553340), (345, 5242672), (368, 4915005), (460, 3932004), (552, 3276670), (690, 2621336), (920, 1966002), (1104, 1638335), (1380, 1310668), (1840, 983001), (2760, 655334), (5520, 327667)]