213979140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:179

約数の個数: 216

約数和(自身を含む): 711448920

約数和(自身を除く): 497469780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 37, 38, 45, 57, 60, 74, 76, 89, 90, 95, 111, 114, 148, 171, 178, 180, 185, 190, 222, 228, 267, 285, 333, 342, 356, 361, 370, 380, 444, 445, 534, 555, 570, 666, 684, 703, 722, 740, 801, 855, 890, 1068, 1083, 1110, 1140, 1332, 1335, 1406, 1444, 1602, 1665, 1691, 1710, 1780, 1805, 2109, 2166, 2220, 2670, 2812, 3204, 3249, 3293, 3330, 3382, 3420, 3515, 3610, 4005, 4218, 4332, 5073, 5340, 5415, 6327, 6498, 6586, 6660, 6764, 7030, 7220, 8010, 8436, 8455, 9879, 10146, 10545, 10830, 12654, 12996, 13172, 13357, 14060, 15219, 16020, 16245, 16465, 16910, 19758, 20292, 21090, 21660, 25308, 25365, 26714, 29637, 30438, 31635, 32129, 32490, 32930, 33820, 39516, 40071, 42180, 49395, 50730, 53428, 59274, 60876, 62567, 63270, 64258, 64980, 65860, 66785, 76095, 80142, 96387, 98790, 101460, 118548, 120213, 125134, 126540, 128516, 133570, 148185, 152190, 160284, 160645, 187701, 192774, 197580, 200355, 240426, 250268, 267140, 289161, 296370, 304380, 312835, 321290, 375402, 385548, 400710, 480852, 481935, 563103, 578322, 592740, 601065, 625670, 642580, 750804, 801420, 938505, 963870, 1126206, 1156644, 1188773, 1202130, 1251340, 1445805, 1877010, 1927740, 2252412, 2377546, 2404260, 2815515, 2891610, 3566319, 3754020, 4755092, 5631030, 5783220, 5943865, 7132638, 10698957, 11262060, 11887730, 14265276, 17831595, 21397914, 23775460, 35663190, 42795828, 53494785, 71326380, 106989570, 213979140]

約数ペア:

[(1, 213979140), (2, 106989570), (3, 71326380), (4, 53494785), (5, 42795828), (6, 35663190), (9, 23775460), (10, 21397914), (12, 17831595), (15, 14265276), (18, 11887730), (19, 11262060), (20, 10698957), (30, 7132638), (36, 5943865), (37, 5783220), (38, 5631030), (45, 4755092), (57, 3754020), (60, 3566319), (74, 2891610), (76, 2815515), (89, 2404260), (90, 2377546), (95, 2252412), (111, 1927740), (114, 1877010), (148, 1445805), (171, 1251340), (178, 1202130), (180, 1188773), (185, 1156644), (190, 1126206), (222, 963870), (228, 938505), (267, 801420), (285, 750804), (333, 642580), (342, 625670), (356, 601065), (361, 592740), (370, 578322), (380, 563103), (444, 481935), (445, 480852), (534, 400710), (555, 385548), (570, 375402), (666, 321290), (684, 312835), (703, 304380), (722, 296370), (740, 289161), (801, 267140), (855, 250268), (890, 240426), (1068, 200355), (1083, 197580), (1110, 192774), (1140, 187701), (1332, 160645), (1335, 160284), (1406, 152190), (1444, 148185), (1602, 133570), (1665, 128516), (1691, 126540), (1710, 125134), (1780, 120213), (1805, 118548), (2109, 101460), (2166, 98790), (2220, 96387), (2670, 80142), (2812, 76095), (3204, 66785), (3249, 65860), (3293, 64980), (3330, 64258), (3382, 63270), (3420, 62567), (3515, 60876), (3610, 59274), (4005, 53428), (4218, 50730), (4332, 49395), (5073, 42180), (5340, 40071), (5415, 39516), (6327, 33820), (6498, 32930), (6586, 32490), (6660, 32129), (6764, 31635), (7030, 30438), (7220, 29637), (8010, 26714), (8436, 25365), (8455, 25308), (9879, 21660), (10146, 21090), (10545, 20292), (10830, 19758), (12654, 16910), (12996, 16465), (13172, 16245), (13357, 16020), (14060, 15219)]