72300040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{883}}^1$

素因数の和:1006

約数の個数: 64

約数和(自身を含む): 171849600

約数和(自身を除く): 99549560

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 89, 92, 115, 178, 184, 230, 356, 445, 460, 712, 883, 890, 920, 1766, 1780, 2047, 3532, 3560, 4094, 4415, 7064, 8188, 8830, 10235, 16376, 17660, 20309, 20470, 35320, 40618, 40940, 78587, 81236, 81880, 101545, 157174, 162472, 203090, 314348, 392935, 406180, 628696, 785870, 812360, 1571740, 1807501, 3143480, 3615002, 7230004, 9037505, 14460008, 18075010, 36150020, 72300040]

約数ペア:

[(1, 72300040), (2, 36150020), (4, 18075010), (5, 14460008), (8, 9037505), (10, 7230004), (20, 3615002), (23, 3143480), (40, 1807501), (46, 1571740), (89, 812360), (92, 785870), (115, 628696), (178, 406180), (184, 392935), (230, 314348), (356, 203090), (445, 162472), (460, 157174), (712, 101545), (883, 81880), (890, 81236), (920, 78587), (1766, 40940), (1780, 40618), (2047, 35320), (3532, 20470), (3560, 20309), (4094, 17660), (4415, 16376), (7064, 10235), (8188, 8830)]