30639780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:99

約数の個数: 216

約数和(自身を含む): 107278080

約数和(自身を除く): 76638300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 31, 34, 36, 38, 45, 51, 57, 60, 62, 68, 76, 85, 90, 93, 95, 102, 114, 124, 153, 155, 170, 171, 180, 186, 190, 204, 228, 255, 279, 285, 289, 306, 310, 323, 340, 342, 372, 380, 465, 510, 527, 558, 570, 578, 589, 612, 620, 646, 684, 765, 855, 867, 930, 969, 1020, 1054, 1116, 1140, 1156, 1178, 1292, 1395, 1445, 1530, 1581, 1615, 1710, 1734, 1767, 1860, 1938, 2108, 2356, 2601, 2635, 2790, 2890, 2907, 2945, 3060, 3162, 3230, 3420, 3468, 3534, 3876, 4335, 4743, 4845, 5202, 5270, 5301, 5491, 5580, 5780, 5814, 5890, 6324, 6460, 7068, 7905, 8670, 8835, 8959, 9486, 9690, 10013, 10404, 10540, 10602, 10982, 11628, 11780, 13005, 14535, 15810, 16473, 17340, 17670, 17918, 18972, 19380, 20026, 21204, 21964, 23715, 26010, 26505, 26877, 27455, 29070, 30039, 31620, 32946, 35340, 35836, 40052, 44795, 47430, 49419, 50065, 52020, 53010, 53754, 54910, 58140, 60078, 65892, 80631, 82365, 89590, 90117, 94860, 98838, 100130, 106020, 107508, 109820, 120156, 134385, 150195, 161262, 164730, 170221, 179180, 180234, 197676, 200260, 247095, 268770, 300390, 322524, 329460, 340442, 360468, 403155, 450585, 494190, 510663, 537540, 600780, 680884, 806310, 851105, 901170, 988380, 1021326, 1531989, 1612620, 1702210, 1802340, 2042652, 2553315, 3063978, 3404420, 5106630, 6127956, 7659945, 10213260, 15319890, 30639780]

約数ペア:

[(1, 30639780), (2, 15319890), (3, 10213260), (4, 7659945), (5, 6127956), (6, 5106630), (9, 3404420), (10, 3063978), (12, 2553315), (15, 2042652), (17, 1802340), (18, 1702210), (19, 1612620), (20, 1531989), (30, 1021326), (31, 988380), (34, 901170), (36, 851105), (38, 806310), (45, 680884), (51, 600780), (57, 537540), (60, 510663), (62, 494190), (68, 450585), (76, 403155), (85, 360468), (90, 340442), (93, 329460), (95, 322524), (102, 300390), (114, 268770), (124, 247095), (153, 200260), (155, 197676), (170, 180234), (171, 179180), (180, 170221), (186, 164730), (190, 161262), (204, 150195), (228, 134385), (255, 120156), (279, 109820), (285, 107508), (289, 106020), (306, 100130), (310, 98838), (323, 94860), (340, 90117), (342, 89590), (372, 82365), (380, 80631), (465, 65892), (510, 60078), (527, 58140), (558, 54910), (570, 53754), (578, 53010), (589, 52020), (612, 50065), (620, 49419), (646, 47430), (684, 44795), (765, 40052), (855, 35836), (867, 35340), (930, 32946), (969, 31620), (1020, 30039), (1054, 29070), (1116, 27455), (1140, 26877), (1156, 26505), (1178, 26010), (1292, 23715), (1395, 21964), (1445, 21204), (1530, 20026), (1581, 19380), (1615, 18972), (1710, 17918), (1734, 17670), (1767, 17340), (1860, 16473), (1938, 15810), (2108, 14535), (2356, 13005), (2601, 11780), (2635, 11628), (2790, 10982), (2890, 10602), (2907, 10540), (2945, 10404), (3060, 10013), (3162, 9690), (3230, 9486), (3420, 8959), (3468, 8835), (3534, 8670), (3876, 7905), (4335, 7068), (4743, 6460), (4845, 6324), (5202, 5890), (5270, 5814), (5301, 5780), (5491, 5580)]