4127940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 14152320

約数和(自身を除く): 10024380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 71, 76, 85, 90, 95, 102, 114, 142, 153, 170, 171, 180, 190, 204, 213, 228, 255, 284, 285, 306, 323, 340, 342, 355, 380, 426, 510, 570, 612, 639, 646, 684, 710, 765, 852, 855, 969, 1020, 1065, 1140, 1207, 1278, 1292, 1349, 1420, 1530, 1615, 1710, 1938, 2130, 2414, 2556, 2698, 2907, 3060, 3195, 3230, 3420, 3621, 3876, 4047, 4260, 4828, 4845, 5396, 5814, 6035, 6390, 6460, 6745, 7242, 8094, 9690, 10863, 11628, 12070, 12141, 12780, 13490, 14484, 14535, 16188, 18105, 19380, 20235, 21726, 22933, 24140, 24282, 26980, 29070, 36210, 40470, 43452, 45866, 48564, 54315, 58140, 60705, 68799, 72420, 80940, 91732, 108630, 114665, 121410, 137598, 206397, 217260, 229330, 242820, 275196, 343995, 412794, 458660, 687990, 825588, 1031985, 1375980, 2063970, 4127940]

約数ペア:

[(1, 4127940), (2, 2063970), (3, 1375980), (4, 1031985), (5, 825588), (6, 687990), (9, 458660), (10, 412794), (12, 343995), (15, 275196), (17, 242820), (18, 229330), (19, 217260), (20, 206397), (30, 137598), (34, 121410), (36, 114665), (38, 108630), (45, 91732), (51, 80940), (57, 72420), (60, 68799), (68, 60705), (71, 58140), (76, 54315), (85, 48564), (90, 45866), (95, 43452), (102, 40470), (114, 36210), (142, 29070), (153, 26980), (170, 24282), (171, 24140), (180, 22933), (190, 21726), (204, 20235), (213, 19380), (228, 18105), (255, 16188), (284, 14535), (285, 14484), (306, 13490), (323, 12780), (340, 12141), (342, 12070), (355, 11628), (380, 10863), (426, 9690), (510, 8094), (570, 7242), (612, 6745), (639, 6460), (646, 6390), (684, 6035), (710, 5814), (765, 5396), (852, 4845), (855, 4828), (969, 4260), (1020, 4047), (1065, 3876), (1140, 3621), (1207, 3420), (1278, 3230), (1292, 3195), (1349, 3060), (1420, 2907), (1530, 2698), (1615, 2556), (1710, 2414), (1938, 2130)]