81612240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:357

約数の個数: 160

約数和(自身を含む): 272232576

約数和(自身を除く): 190620336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 83, 85, 102, 120, 136, 166, 170, 204, 240, 241, 249, 255, 272, 332, 340, 408, 415, 482, 498, 510, 664, 680, 723, 816, 830, 964, 996, 1020, 1205, 1245, 1328, 1360, 1411, 1446, 1660, 1928, 1992, 2040, 2410, 2490, 2822, 2892, 3320, 3615, 3856, 3984, 4080, 4097, 4233, 4820, 4980, 5644, 5784, 6640, 7055, 7230, 8194, 8466, 9640, 9960, 11288, 11568, 12291, 14110, 14460, 16388, 16932, 19280, 19920, 20003, 20485, 21165, 22576, 24582, 28220, 28920, 32776, 33864, 40006, 40970, 42330, 49164, 56440, 57840, 60009, 61455, 65552, 67728, 80012, 81940, 84660, 98328, 100015, 112880, 120018, 122910, 160024, 163880, 169320, 196656, 200030, 240036, 245820, 300045, 320048, 327760, 338640, 340051, 400060, 480072, 491640, 600090, 680102, 800120, 960144, 983280, 1020153, 1200180, 1360204, 1600240, 1700255, 2040306, 2400360, 2720408, 3400510, 4080612, 4800720, 5100765, 5440816, 6801020, 8161224, 10201530, 13602040, 16322448, 20403060, 27204080, 40806120, 81612240]

約数ペア:

[(1, 81612240), (2, 40806120), (3, 27204080), (4, 20403060), (5, 16322448), (6, 13602040), (8, 10201530), (10, 8161224), (12, 6801020), (15, 5440816), (16, 5100765), (17, 4800720), (20, 4080612), (24, 3400510), (30, 2720408), (34, 2400360), (40, 2040306), (48, 1700255), (51, 1600240), (60, 1360204), (68, 1200180), (80, 1020153), (83, 983280), (85, 960144), (102, 800120), (120, 680102), (136, 600090), (166, 491640), (170, 480072), (204, 400060), (240, 340051), (241, 338640), (249, 327760), (255, 320048), (272, 300045), (332, 245820), (340, 240036), (408, 200030), (415, 196656), (482, 169320), (498, 163880), (510, 160024), (664, 122910), (680, 120018), (723, 112880), (816, 100015), (830, 98328), (964, 84660), (996, 81940), (1020, 80012), (1205, 67728), (1245, 65552), (1328, 61455), (1360, 60009), (1411, 57840), (1446, 56440), (1660, 49164), (1928, 42330), (1992, 40970), (2040, 40006), (2410, 33864), (2490, 32776), (2822, 28920), (2892, 28220), (3320, 24582), (3615, 22576), (3856, 21165), (3984, 20485), (4080, 20003), (4097, 19920), (4233, 19280), (4820, 16932), (4980, 16388), (5644, 14460), (5784, 14110), (6640, 12291), (7055, 11568), (7230, 11288), (8194, 9960), (8466, 9640)]