290586660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7603}}^1$

素因数の和:7642

約数の個数: 144

約数和(自身を含む): 1019422656

約数和(自身を除く): 728835996

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 735, 780, 910, 980, 1092, 1274, 1365, 1470, 1820, 1911, 2548, 2730, 2940, 3185, 3822, 5460, 6370, 7603, 7644, 9555, 12740, 15206, 19110, 22809, 30412, 38015, 38220, 45618, 53221, 76030, 91236, 98839, 106442, 114045, 152060, 159663, 197678, 212884, 228090, 266105, 296517, 319326, 372547, 395356, 456180, 494195, 532210, 593034, 638652, 691873, 745094, 798315, 988390, 1064420, 1117641, 1186068, 1383746, 1482585, 1490188, 1596630, 1862735, 1976780, 2075619, 2235282, 2767492, 2965170, 3193260, 3459365, 3725470, 4151238, 4470564, 4843111, 5588205, 5930340, 6918730, 7450940, 8302476, 9686222, 10378095, 11176410, 13837460, 14529333, 19372444, 20756190, 22352820, 24215555, 29058666, 41512380, 48431110, 58117332, 72646665, 96862220, 145293330, 290586660]

約数ペア:

[(1, 290586660), (2, 145293330), (3, 96862220), (4, 72646665), (5, 58117332), (6, 48431110), (7, 41512380), (10, 29058666), (12, 24215555), (13, 22352820), (14, 20756190), (15, 19372444), (20, 14529333), (21, 13837460), (26, 11176410), (28, 10378095), (30, 9686222), (35, 8302476), (39, 7450940), (42, 6918730), (49, 5930340), (52, 5588205), (60, 4843111), (65, 4470564), (70, 4151238), (78, 3725470), (84, 3459365), (91, 3193260), (98, 2965170), (105, 2767492), (130, 2235282), (140, 2075619), (147, 1976780), (156, 1862735), (182, 1596630), (195, 1490188), (196, 1482585), (210, 1383746), (245, 1186068), (260, 1117641), (273, 1064420), (294, 988390), (364, 798315), (390, 745094), (420, 691873), (455, 638652), (490, 593034), (546, 532210), (588, 494195), (637, 456180), (735, 395356), (780, 372547), (910, 319326), (980, 296517), (1092, 266105), (1274, 228090), (1365, 212884), (1470, 197678), (1820, 159663), (1911, 152060), (2548, 114045), (2730, 106442), (2940, 98839), (3185, 91236), (3822, 76030), (5460, 53221), (6370, 45618), (7603, 38220), (7644, 38015), (9555, 30412), (12740, 22809), (15206, 19110)]