30809880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^2$

素因数の和:162

約数の個数: 144

約数和(自身を含む): 106226640

約数和(自身を除く): 75416760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 61, 69, 72, 90, 92, 115, 120, 122, 138, 180, 183, 184, 207, 230, 244, 276, 305, 345, 360, 366, 414, 460, 488, 549, 552, 610, 690, 732, 828, 915, 920, 1035, 1098, 1220, 1380, 1403, 1464, 1656, 1830, 2070, 2196, 2440, 2745, 2760, 2806, 3660, 3721, 4140, 4209, 4392, 5490, 5612, 7015, 7320, 7442, 8280, 8418, 10980, 11163, 11224, 12627, 14030, 14884, 16836, 18605, 21045, 21960, 22326, 25254, 28060, 29768, 33489, 33672, 37210, 42090, 44652, 50508, 55815, 56120, 63135, 66978, 74420, 84180, 85583, 89304, 101016, 111630, 126270, 133956, 148840, 167445, 168360, 171166, 223260, 252540, 256749, 267912, 334890, 342332, 427915, 446520, 505080, 513498, 669780, 684664, 770247, 855830, 1026996, 1283745, 1339560, 1540494, 1711660, 2053992, 2567490, 3080988, 3423320, 3851235, 5134980, 6161976, 7702470, 10269960, 15404940, 30809880]

約数ペア:

[(1, 30809880), (2, 15404940), (3, 10269960), (4, 7702470), (5, 6161976), (6, 5134980), (8, 3851235), (9, 3423320), (10, 3080988), (12, 2567490), (15, 2053992), (18, 1711660), (20, 1540494), (23, 1339560), (24, 1283745), (30, 1026996), (36, 855830), (40, 770247), (45, 684664), (46, 669780), (60, 513498), (61, 505080), (69, 446520), (72, 427915), (90, 342332), (92, 334890), (115, 267912), (120, 256749), (122, 252540), (138, 223260), (180, 171166), (183, 168360), (184, 167445), (207, 148840), (230, 133956), (244, 126270), (276, 111630), (305, 101016), (345, 89304), (360, 85583), (366, 84180), (414, 74420), (460, 66978), (488, 63135), (549, 56120), (552, 55815), (610, 50508), (690, 44652), (732, 42090), (828, 37210), (915, 33672), (920, 33489), (1035, 29768), (1098, 28060), (1220, 25254), (1380, 22326), (1403, 21960), (1464, 21045), (1656, 18605), (1830, 16836), (2070, 14884), (2196, 14030), (2440, 12627), (2745, 11224), (2760, 11163), (2806, 10980), (3660, 8418), (3721, 8280), (4140, 7442), (4209, 7320), (4392, 7015), (5490, 5612)]