420778880

素因数分解:

$2^7\times 5^1\times {\mathrm{179}}^1\times {\mathrm{3673}}^1$

素因数の和:3871

約数の個数: 64

約数和(自身を含む): 1011819600

約数和(自身を除く): 591040720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 179, 320, 358, 640, 716, 895, 1432, 1790, 2864, 3580, 3673, 5728, 7160, 7346, 11456, 14320, 14692, 18365, 22912, 28640, 29384, 36730, 57280, 58768, 73460, 114560, 117536, 146920, 235072, 293840, 470144, 587680, 657467, 1175360, 1314934, 2350720, 2629868, 3287335, 5259736, 6574670, 10519472, 13149340, 21038944, 26298680, 42077888, 52597360, 84155776, 105194720, 210389440, 420778880]

約数ペア:

[(1, 420778880), (2, 210389440), (4, 105194720), (5, 84155776), (8, 52597360), (10, 42077888), (16, 26298680), (20, 21038944), (32, 13149340), (40, 10519472), (64, 6574670), (80, 5259736), (128, 3287335), (160, 2629868), (179, 2350720), (320, 1314934), (358, 1175360), (640, 657467), (716, 587680), (895, 470144), (1432, 293840), (1790, 235072), (2864, 146920), (3580, 117536), (3673, 114560), (5728, 73460), (7160, 58768), (7346, 57280), (11456, 36730), (14320, 29384), (14692, 28640), (18365, 22912)]