7212780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:93

約数の個数: 144

約数和(自身を含む): 24323040

約数和(自身を除く): 17110260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 37, 38, 45, 54, 57, 60, 74, 76, 90, 95, 108, 111, 114, 135, 148, 171, 180, 185, 190, 222, 228, 270, 285, 333, 342, 361, 370, 380, 444, 513, 540, 555, 570, 666, 684, 703, 722, 740, 855, 999, 1026, 1083, 1110, 1140, 1332, 1406, 1444, 1665, 1710, 1805, 1998, 2052, 2109, 2166, 2220, 2565, 2812, 3249, 3330, 3420, 3515, 3610, 3996, 4218, 4332, 4995, 5130, 5415, 6327, 6498, 6660, 7030, 7220, 8436, 9747, 9990, 10260, 10545, 10830, 12654, 12996, 13357, 14060, 16245, 18981, 19494, 19980, 21090, 21660, 25308, 26714, 31635, 32490, 37962, 38988, 40071, 42180, 48735, 53428, 63270, 64980, 66785, 75924, 80142, 94905, 97470, 120213, 126540, 133570, 160284, 189810, 194940, 200355, 240426, 267140, 360639, 379620, 400710, 480852, 601065, 721278, 801420, 1202130, 1442556, 1803195, 2404260, 3606390, 7212780]

約数ペア:

[(1, 7212780), (2, 3606390), (3, 2404260), (4, 1803195), (5, 1442556), (6, 1202130), (9, 801420), (10, 721278), (12, 601065), (15, 480852), (18, 400710), (19, 379620), (20, 360639), (27, 267140), (30, 240426), (36, 200355), (37, 194940), (38, 189810), (45, 160284), (54, 133570), (57, 126540), (60, 120213), (74, 97470), (76, 94905), (90, 80142), (95, 75924), (108, 66785), (111, 64980), (114, 63270), (135, 53428), (148, 48735), (171, 42180), (180, 40071), (185, 38988), (190, 37962), (222, 32490), (228, 31635), (270, 26714), (285, 25308), (333, 21660), (342, 21090), (361, 19980), (370, 19494), (380, 18981), (444, 16245), (513, 14060), (540, 13357), (555, 12996), (570, 12654), (666, 10830), (684, 10545), (703, 10260), (722, 9990), (740, 9747), (855, 8436), (999, 7220), (1026, 7030), (1083, 6660), (1110, 6498), (1140, 6327), (1332, 5415), (1406, 5130), (1444, 4995), (1665, 4332), (1710, 4218), (1805, 3996), (1998, 3610), (2052, 3515), (2109, 3420), (2166, 3330), (2220, 3249), (2565, 2812)]