18306720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{12713}}^1$

素因数の和:12734

約数の個数: 72

約数和(自身を含む): 62476596

約数和(自身を除く): 44169876

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 12713, 25426, 38139, 50852, 63565, 76278, 101704, 114417, 127130, 152556, 190695, 203408, 228834, 254260, 305112, 381390, 406816, 457668, 508520, 572085, 610224, 762780, 915336, 1017040, 1144170, 1220448, 1525560, 1830672, 2034080, 2288340, 3051120, 3661344, 4576680, 6102240, 9153360, 18306720]

約数ペア:

[(1, 18306720), (2, 9153360), (3, 6102240), (4, 4576680), (5, 3661344), (6, 3051120), (8, 2288340), (9, 2034080), (10, 1830672), (12, 1525560), (15, 1220448), (16, 1144170), (18, 1017040), (20, 915336), (24, 762780), (30, 610224), (32, 572085), (36, 508520), (40, 457668), (45, 406816), (48, 381390), (60, 305112), (72, 254260), (80, 228834), (90, 203408), (96, 190695), (120, 152556), (144, 127130), (160, 114417), (180, 101704), (240, 76278), (288, 63565), (360, 50852), (480, 38139), (720, 25426), (1440, 12713)]