628823340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{311}}^1$

素因数の和:612

約数の個数: 144

約数和(自身を含む): 1962455040

約数和(自身を除く): 1333631700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 239, 282, 311, 423, 470, 478, 564, 622, 705, 717, 846, 933, 940, 956, 1195, 1244, 1410, 1434, 1555, 1692, 1866, 2115, 2151, 2390, 2799, 2820, 2868, 3110, 3585, 3732, 4230, 4302, 4665, 4780, 5598, 6220, 7170, 8460, 8604, 9330, 10755, 11196, 11233, 13995, 14340, 14617, 18660, 21510, 22466, 27990, 29234, 33699, 43020, 43851, 44932, 55980, 56165, 58468, 67398, 73085, 74329, 87702, 101097, 112330, 131553, 134796, 146170, 148658, 168495, 175404, 202194, 219255, 222987, 224660, 263106, 292340, 297316, 336990, 371645, 404388, 438510, 445974, 505485, 526212, 657765, 668961, 673980, 743290, 877020, 891948, 1010970, 1114935, 1315530, 1337922, 1486580, 2021940, 2229870, 2631060, 2675844, 3344805, 3493463, 4459740, 6689610, 6986926, 10480389, 13379220, 13973852, 17467315, 20960778, 31441167, 34934630, 41921556, 52401945, 62882334, 69869260, 104803890, 125764668, 157205835, 209607780, 314411670, 628823340]

約数ペア:

[(1, 628823340), (2, 314411670), (3, 209607780), (4, 157205835), (5, 125764668), (6, 104803890), (9, 69869260), (10, 62882334), (12, 52401945), (15, 41921556), (18, 34934630), (20, 31441167), (30, 20960778), (36, 17467315), (45, 13973852), (47, 13379220), (60, 10480389), (90, 6986926), (94, 6689610), (141, 4459740), (180, 3493463), (188, 3344805), (235, 2675844), (239, 2631060), (282, 2229870), (311, 2021940), (423, 1486580), (470, 1337922), (478, 1315530), (564, 1114935), (622, 1010970), (705, 891948), (717, 877020), (846, 743290), (933, 673980), (940, 668961), (956, 657765), (1195, 526212), (1244, 505485), (1410, 445974), (1434, 438510), (1555, 404388), (1692, 371645), (1866, 336990), (2115, 297316), (2151, 292340), (2390, 263106), (2799, 224660), (2820, 222987), (2868, 219255), (3110, 202194), (3585, 175404), (3732, 168495), (4230, 148658), (4302, 146170), (4665, 134796), (4780, 131553), (5598, 112330), (6220, 101097), (7170, 87702), (8460, 74329), (8604, 73085), (9330, 67398), (10755, 58468), (11196, 56165), (11233, 55980), (13995, 44932), (14340, 43851), (14617, 43020), (18660, 33699), (21510, 29234), (22466, 27990)]