311235660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:273

約数の個数: 216

約数和(自身を含む): 1040597376

約数和(自身を除く): 729361716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 31, 34, 36, 45, 51, 60, 62, 68, 85, 90, 93, 102, 124, 153, 155, 170, 180, 186, 193, 204, 255, 279, 289, 306, 310, 340, 372, 386, 465, 510, 527, 558, 578, 579, 612, 620, 765, 772, 867, 930, 965, 1020, 1054, 1116, 1156, 1158, 1395, 1445, 1530, 1581, 1734, 1737, 1860, 1930, 2108, 2316, 2601, 2635, 2790, 2890, 2895, 3060, 3162, 3281, 3468, 3474, 3860, 4335, 4743, 5202, 5270, 5580, 5780, 5790, 5983, 6324, 6562, 6948, 7905, 8670, 8685, 8959, 9486, 9843, 10404, 10540, 11580, 11966, 13005, 13124, 15810, 16405, 17340, 17370, 17918, 17949, 18972, 19686, 23715, 23932, 26010, 26877, 29529, 29915, 31620, 32810, 34740, 35836, 35898, 39372, 44795, 47430, 49215, 52020, 53754, 53847, 55777, 59058, 59830, 65620, 71796, 80631, 89590, 89745, 94860, 98430, 101711, 107508, 107694, 111554, 118116, 119660, 134385, 147645, 161262, 167331, 179180, 179490, 196860, 203422, 215388, 223108, 268770, 269235, 278885, 295290, 305133, 322524, 334662, 358980, 403155, 406844, 501993, 508555, 537540, 538470, 557770, 590580, 610266, 669324, 806310, 836655, 915399, 1003986, 1017110, 1076940, 1115540, 1220532, 1525665, 1612620, 1673310, 1729087, 1830798, 2007972, 2034220, 2509965, 3051330, 3346620, 3458174, 3661596, 4576995, 5019930, 5187261, 6102660, 6916348, 8645435, 9153990, 10039860, 10374522, 15561783, 17290870, 18307980, 20749044, 25936305, 31123566, 34581740, 51872610, 62247132, 77808915, 103745220, 155617830, 311235660]

約数ペア:

[(1, 311235660), (2, 155617830), (3, 103745220), (4, 77808915), (5, 62247132), (6, 51872610), (9, 34581740), (10, 31123566), (12, 25936305), (15, 20749044), (17, 18307980), (18, 17290870), (20, 15561783), (30, 10374522), (31, 10039860), (34, 9153990), (36, 8645435), (45, 6916348), (51, 6102660), (60, 5187261), (62, 5019930), (68, 4576995), (85, 3661596), (90, 3458174), (93, 3346620), (102, 3051330), (124, 2509965), (153, 2034220), (155, 2007972), (170, 1830798), (180, 1729087), (186, 1673310), (193, 1612620), (204, 1525665), (255, 1220532), (279, 1115540), (289, 1076940), (306, 1017110), (310, 1003986), (340, 915399), (372, 836655), (386, 806310), (465, 669324), (510, 610266), (527, 590580), (558, 557770), (578, 538470), (579, 537540), (612, 508555), (620, 501993), (765, 406844), (772, 403155), (867, 358980), (930, 334662), (965, 322524), (1020, 305133), (1054, 295290), (1116, 278885), (1156, 269235), (1158, 268770), (1395, 223108), (1445, 215388), (1530, 203422), (1581, 196860), (1734, 179490), (1737, 179180), (1860, 167331), (1930, 161262), (2108, 147645), (2316, 134385), (2601, 119660), (2635, 118116), (2790, 111554), (2890, 107694), (2895, 107508), (3060, 101711), (3162, 98430), (3281, 94860), (3468, 89745), (3474, 89590), (3860, 80631), (4335, 71796), (4743, 65620), (5202, 59830), (5270, 59058), (5580, 55777), (5780, 53847), (5790, 53754), (5983, 52020), (6324, 49215), (6562, 47430), (6948, 44795), (7905, 39372), (8670, 35898), (8685, 35836), (8959, 34740), (9486, 32810), (9843, 31620), (10404, 29915), (10540, 29529), (11580, 26877), (11966, 26010), (13005, 23932), (13124, 23715), (15810, 19686), (16405, 18972), (17340, 17949), (17370, 17918)]