68660480

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 192299520

約数和(自身を除く): 123639040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 97, 112, 128, 140, 158, 160, 194, 224, 256, 280, 316, 320, 388, 395, 448, 485, 553, 560, 632, 640, 679, 776, 790, 896, 970, 1106, 1120, 1264, 1280, 1358, 1552, 1580, 1792, 1940, 2212, 2240, 2528, 2716, 2765, 3104, 3160, 3395, 3880, 4424, 4480, 5056, 5432, 5530, 6208, 6320, 6790, 7663, 7760, 8848, 8960, 10112, 10864, 11060, 12416, 12640, 13580, 15326, 15520, 17696, 20224, 21728, 22120, 24832, 25280, 27160, 30652, 31040, 35392, 38315, 43456, 44240, 50560, 53641, 54320, 61304, 62080, 70784, 76630, 86912, 88480, 101120, 107282, 108640, 122608, 124160, 141568, 153260, 173824, 176960, 214564, 217280, 245216, 268205, 306520, 353920, 429128, 434560, 490432, 536410, 613040, 707840, 858256, 869120, 980864, 1072820, 1226080, 1716512, 1961728, 2145640, 2452160, 3433024, 4291280, 4904320, 6866048, 8582560, 9808640, 13732096, 17165120, 34330240, 68660480]

約数ペア:

[(1, 68660480), (2, 34330240), (4, 17165120), (5, 13732096), (7, 9808640), (8, 8582560), (10, 6866048), (14, 4904320), (16, 4291280), (20, 3433024), (28, 2452160), (32, 2145640), (35, 1961728), (40, 1716512), (56, 1226080), (64, 1072820), (70, 980864), (79, 869120), (80, 858256), (97, 707840), (112, 613040), (128, 536410), (140, 490432), (158, 434560), (160, 429128), (194, 353920), (224, 306520), (256, 268205), (280, 245216), (316, 217280), (320, 214564), (388, 176960), (395, 173824), (448, 153260), (485, 141568), (553, 124160), (560, 122608), (632, 108640), (640, 107282), (679, 101120), (776, 88480), (790, 86912), (896, 76630), (970, 70784), (1106, 62080), (1120, 61304), (1264, 54320), (1280, 53641), (1358, 50560), (1552, 44240), (1580, 43456), (1792, 38315), (1940, 35392), (2212, 31040), (2240, 30652), (2528, 27160), (2716, 25280), (2765, 24832), (3104, 22120), (3160, 21728), (3395, 20224), (3880, 17696), (4424, 15520), (4480, 15326), (5056, 13580), (5432, 12640), (5530, 12416), (6208, 11060), (6320, 10864), (6790, 10112), (7663, 8960), (7760, 8848)]