65749640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:207

約数の個数: 128

約数和(自身を含む): 172627200

約数和(自身を除く): 106877560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 73, 88, 89, 92, 110, 115, 146, 178, 184, 220, 230, 253, 292, 356, 365, 440, 445, 460, 506, 584, 712, 730, 803, 890, 920, 979, 1012, 1265, 1460, 1606, 1679, 1780, 1958, 2024, 2047, 2530, 2920, 3212, 3358, 3560, 3916, 4015, 4094, 4895, 5060, 6424, 6497, 6716, 7832, 8030, 8188, 8395, 9790, 10120, 10235, 12994, 13432, 16060, 16376, 16790, 18469, 19580, 20470, 22517, 25988, 32120, 32485, 33580, 36938, 39160, 40940, 45034, 51976, 64970, 67160, 71467, 73876, 81880, 90068, 92345, 112585, 129940, 142934, 147752, 149431, 180136, 184690, 225170, 259880, 285868, 298862, 357335, 369380, 450340, 571736, 597724, 714670, 738760, 747155, 900680, 1195448, 1429340, 1494310, 1643741, 2858680, 2988620, 3287482, 5977240, 6574964, 8218705, 13149928, 16437410, 32874820, 65749640]

約数ペア:

[(1, 65749640), (2, 32874820), (4, 16437410), (5, 13149928), (8, 8218705), (10, 6574964), (11, 5977240), (20, 3287482), (22, 2988620), (23, 2858680), (40, 1643741), (44, 1494310), (46, 1429340), (55, 1195448), (73, 900680), (88, 747155), (89, 738760), (92, 714670), (110, 597724), (115, 571736), (146, 450340), (178, 369380), (184, 357335), (220, 298862), (230, 285868), (253, 259880), (292, 225170), (356, 184690), (365, 180136), (440, 149431), (445, 147752), (460, 142934), (506, 129940), (584, 112585), (712, 92345), (730, 90068), (803, 81880), (890, 73876), (920, 71467), (979, 67160), (1012, 64970), (1265, 51976), (1460, 45034), (1606, 40940), (1679, 39160), (1780, 36938), (1958, 33580), (2024, 32485), (2047, 32120), (2530, 25988), (2920, 22517), (3212, 20470), (3358, 19580), (3560, 18469), (3916, 16790), (4015, 16376), (4094, 16060), (4895, 13432), (5060, 12994), (6424, 10235), (6497, 10120), (6716, 9790), (7832, 8395), (8030, 8188)]