201123780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2131}}^1$

素因数の和:2178

約数の個数: 144

約数和(自身を含む): 666923712

約数和(自身を除く): 465799932

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 121, 130, 132, 143, 156, 165, 195, 220, 242, 260, 286, 330, 363, 390, 429, 484, 572, 605, 660, 715, 726, 780, 858, 1210, 1430, 1452, 1573, 1716, 1815, 2131, 2145, 2420, 2860, 3146, 3630, 4262, 4290, 4719, 6292, 6393, 7260, 7865, 8524, 8580, 9438, 10655, 12786, 15730, 18876, 21310, 23441, 23595, 25572, 27703, 31460, 31965, 42620, 46882, 47190, 55406, 63930, 70323, 83109, 93764, 94380, 110812, 117205, 127860, 138515, 140646, 166218, 234410, 257851, 277030, 281292, 304733, 332436, 351615, 415545, 468820, 515702, 554060, 609466, 703230, 773553, 831090, 914199, 1031404, 1218932, 1289255, 1406460, 1523665, 1547106, 1662180, 1828398, 2578510, 3047330, 3094212, 3352063, 3656796, 3867765, 4570995, 5157020, 6094660, 6704126, 7735530, 9141990, 10056189, 13408252, 15471060, 16760315, 18283980, 20112378, 33520630, 40224756, 50280945, 67041260, 100561890, 201123780]

約数ペア:

[(1, 201123780), (2, 100561890), (3, 67041260), (4, 50280945), (5, 40224756), (6, 33520630), (10, 20112378), (11, 18283980), (12, 16760315), (13, 15471060), (15, 13408252), (20, 10056189), (22, 9141990), (26, 7735530), (30, 6704126), (33, 6094660), (39, 5157020), (44, 4570995), (52, 3867765), (55, 3656796), (60, 3352063), (65, 3094212), (66, 3047330), (78, 2578510), (110, 1828398), (121, 1662180), (130, 1547106), (132, 1523665), (143, 1406460), (156, 1289255), (165, 1218932), (195, 1031404), (220, 914199), (242, 831090), (260, 773553), (286, 703230), (330, 609466), (363, 554060), (390, 515702), (429, 468820), (484, 415545), (572, 351615), (605, 332436), (660, 304733), (715, 281292), (726, 277030), (780, 257851), (858, 234410), (1210, 166218), (1430, 140646), (1452, 138515), (1573, 127860), (1716, 117205), (1815, 110812), (2131, 94380), (2145, 93764), (2420, 83109), (2860, 70323), (3146, 63930), (3630, 55406), (4262, 47190), (4290, 46882), (4719, 42620), (6292, 31965), (6393, 31460), (7260, 27703), (7865, 25572), (8524, 23595), (8580, 23441), (9438, 21310), (10655, 18876), (12786, 15730)]