1816974540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{1831}}^1$

素因数の和:2032

約数の個数: 144

約数和(自身を含む): 5701550400

約数和(自身を除く): 3884575860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 149, 180, 185, 222, 298, 333, 370, 444, 447, 555, 596, 666, 740, 745, 894, 1110, 1332, 1341, 1490, 1665, 1788, 1831, 2220, 2235, 2682, 2980, 3330, 3662, 4470, 5364, 5493, 5513, 6660, 6705, 7324, 8940, 9155, 10986, 11026, 13410, 16479, 16539, 18310, 21972, 22052, 26820, 27465, 27565, 32958, 33078, 36620, 49617, 54930, 55130, 65916, 66156, 67747, 82395, 82695, 99234, 109860, 110260, 135494, 164790, 165390, 198468, 203241, 248085, 270988, 272819, 329580, 330780, 338735, 406482, 496170, 545638, 609723, 677470, 812964, 818457, 992340, 1016205, 1091276, 1219446, 1354940, 1364095, 1636914, 2032410, 2438892, 2455371, 2728190, 3048615, 3273828, 4064820, 4092285, 4910742, 5456380, 6097230, 8184570, 9821484, 10094303, 12194460, 12276855, 16369140, 20188606, 24553710, 30282909, 40377212, 49107420, 50471515, 60565818, 90848727, 100943030, 121131636, 151414545, 181697454, 201886060, 302829090, 363394908, 454243635, 605658180, 908487270, 1816974540]

約数ペア:

[(1, 1816974540), (2, 908487270), (3, 605658180), (4, 454243635), (5, 363394908), (6, 302829090), (9, 201886060), (10, 181697454), (12, 151414545), (15, 121131636), (18, 100943030), (20, 90848727), (30, 60565818), (36, 50471515), (37, 49107420), (45, 40377212), (60, 30282909), (74, 24553710), (90, 20188606), (111, 16369140), (148, 12276855), (149, 12194460), (180, 10094303), (185, 9821484), (222, 8184570), (298, 6097230), (333, 5456380), (370, 4910742), (444, 4092285), (447, 4064820), (555, 3273828), (596, 3048615), (666, 2728190), (740, 2455371), (745, 2438892), (894, 2032410), (1110, 1636914), (1332, 1364095), (1341, 1354940), (1490, 1219446), (1665, 1091276), (1788, 1016205), (1831, 992340), (2220, 818457), (2235, 812964), (2682, 677470), (2980, 609723), (3330, 545638), (3662, 496170), (4470, 406482), (5364, 338735), (5493, 330780), (5513, 329580), (6660, 272819), (6705, 270988), (7324, 248085), (8940, 203241), (9155, 198468), (10986, 165390), (11026, 164790), (13410, 135494), (16479, 110260), (16539, 109860), (18310, 99234), (21972, 82695), (22052, 82395), (26820, 67747), (27465, 66156), (27565, 65916), (32958, 55130), (33078, 54930), (36620, 49617)]