729714560

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:688

約数の個数: 128

約数和(自身を含む): 1844078400

約数和(自身を除く): 1114363840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 89, 92, 115, 128, 160, 178, 184, 230, 320, 356, 368, 445, 460, 557, 640, 712, 736, 890, 920, 1114, 1424, 1472, 1780, 1840, 2047, 2228, 2785, 2848, 2944, 3560, 3680, 4094, 4456, 5570, 5696, 7120, 7360, 8188, 8912, 10235, 11140, 11392, 12811, 14240, 14720, 16376, 17824, 20470, 22280, 25622, 28480, 32752, 35648, 40940, 44560, 49573, 51244, 56960, 64055, 65504, 71296, 81880, 89120, 99146, 102488, 128110, 131008, 163760, 178240, 198292, 204976, 247865, 256220, 262016, 327520, 356480, 396584, 409952, 495730, 512440, 655040, 793168, 819904, 991460, 1024880, 1140179, 1310080, 1586336, 1639808, 1982920, 2049760, 2280358, 3172672, 3965840, 4099520, 4560716, 5700895, 6345344, 7931680, 8199040, 9121432, 11401790, 15863360, 18242864, 22803580, 31726720, 36485728, 45607160, 72971456, 91214320, 145942912, 182428640, 364857280, 729714560]

約数ペア:

[(1, 729714560), (2, 364857280), (4, 182428640), (5, 145942912), (8, 91214320), (10, 72971456), (16, 45607160), (20, 36485728), (23, 31726720), (32, 22803580), (40, 18242864), (46, 15863360), (64, 11401790), (80, 9121432), (89, 8199040), (92, 7931680), (115, 6345344), (128, 5700895), (160, 4560716), (178, 4099520), (184, 3965840), (230, 3172672), (320, 2280358), (356, 2049760), (368, 1982920), (445, 1639808), (460, 1586336), (557, 1310080), (640, 1140179), (712, 1024880), (736, 991460), (890, 819904), (920, 793168), (1114, 655040), (1424, 512440), (1472, 495730), (1780, 409952), (1840, 396584), (2047, 356480), (2228, 327520), (2785, 262016), (2848, 256220), (2944, 247865), (3560, 204976), (3680, 198292), (4094, 178240), (4456, 163760), (5570, 131008), (5696, 128110), (7120, 102488), (7360, 99146), (8188, 89120), (8912, 81880), (10235, 71296), (11140, 65504), (11392, 64055), (12811, 56960), (14240, 51244), (14720, 49573), (16376, 44560), (17824, 40940), (20470, 35648), (22280, 32752), (25622, 28480)]