145947990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{461}}^1$

素因数の和:705

約数の個数: 64

約数和(自身を含む): 358852032

約数和(自身を除く): 212904042

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 173, 183, 305, 346, 366, 461, 519, 610, 865, 915, 922, 1038, 1383, 1730, 1830, 2305, 2595, 2766, 4610, 5190, 6915, 10553, 13830, 21106, 28121, 31659, 52765, 56242, 63318, 79753, 84363, 105530, 140605, 158295, 159506, 168726, 239259, 281210, 316590, 398765, 421815, 478518, 797530, 843630, 1196295, 2392590, 4864933, 9729866, 14594799, 24324665, 29189598, 48649330, 72973995, 145947990]

約数ペア:

[(1, 145947990), (2, 72973995), (3, 48649330), (5, 29189598), (6, 24324665), (10, 14594799), (15, 9729866), (30, 4864933), (61, 2392590), (122, 1196295), (173, 843630), (183, 797530), (305, 478518), (346, 421815), (366, 398765), (461, 316590), (519, 281210), (610, 239259), (865, 168726), (915, 159506), (922, 158295), (1038, 140605), (1383, 105530), (1730, 84363), (1830, 79753), (2305, 63318), (2595, 56242), (2766, 52765), (4610, 31659), (5190, 28121), (6915, 21106), (10553, 13830)]