66177280

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 176675184

約数和(自身を除く): 110497904

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 64, 65, 80, 82, 97, 104, 128, 130, 160, 164, 194, 205, 208, 256, 260, 320, 328, 388, 410, 416, 485, 520, 533, 640, 656, 776, 820, 832, 970, 1040, 1066, 1261, 1280, 1312, 1552, 1640, 1664, 1940, 2080, 2132, 2522, 2624, 2665, 3104, 3280, 3328, 3880, 3977, 4160, 4264, 5044, 5248, 5330, 6208, 6305, 6560, 7760, 7954, 8320, 8528, 10088, 10496, 10660, 12416, 12610, 13120, 15520, 15908, 16640, 17056, 19885, 20176, 21320, 24832, 25220, 26240, 31040, 31816, 34112, 39770, 40352, 42640, 50440, 51701, 52480, 62080, 63632, 68224, 79540, 80704, 85280, 100880, 103402, 124160, 127264, 136448, 159080, 161408, 170560, 201760, 206804, 254528, 258505, 318160, 322816, 341120, 403520, 413608, 509056, 517010, 636320, 682240, 807040, 827216, 1018112, 1034020, 1272640, 1614080, 1654432, 2068040, 2545280, 3308864, 4136080, 5090560, 6617728, 8272160, 13235456, 16544320, 33088640, 66177280]

約数ペア:

[(1, 66177280), (2, 33088640), (4, 16544320), (5, 13235456), (8, 8272160), (10, 6617728), (13, 5090560), (16, 4136080), (20, 3308864), (26, 2545280), (32, 2068040), (40, 1654432), (41, 1614080), (52, 1272640), (64, 1034020), (65, 1018112), (80, 827216), (82, 807040), (97, 682240), (104, 636320), (128, 517010), (130, 509056), (160, 413608), (164, 403520), (194, 341120), (205, 322816), (208, 318160), (256, 258505), (260, 254528), (320, 206804), (328, 201760), (388, 170560), (410, 161408), (416, 159080), (485, 136448), (520, 127264), (533, 124160), (640, 103402), (656, 100880), (776, 85280), (820, 80704), (832, 79540), (970, 68224), (1040, 63632), (1066, 62080), (1261, 52480), (1280, 51701), (1312, 50440), (1552, 42640), (1640, 40352), (1664, 39770), (1940, 34112), (2080, 31816), (2132, 31040), (2522, 26240), (2624, 25220), (2665, 24832), (3104, 21320), (3280, 20176), (3328, 19885), (3880, 17056), (3977, 16640), (4160, 15908), (4264, 15520), (5044, 13120), (5248, 12610), (5330, 12416), (6208, 10660), (6305, 10496), (6560, 10088), (7760, 8528), (7954, 8320)]