18030240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{659}}^1$

素因数の和:699

約数の個数: 144

約数和(自身を含む): 64864800

約数和(自身を除く): 46834560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 659, 684, 720, 760, 855, 912, 1140, 1318, 1368, 1440, 1520, 1710, 1824, 1977, 2280, 2636, 2736, 3040, 3295, 3420, 3954, 4560, 5272, 5472, 5931, 6590, 6840, 7908, 9120, 9885, 10544, 11862, 12521, 13180, 13680, 15816, 19770, 21088, 23724, 25042, 26360, 27360, 29655, 31632, 37563, 39540, 47448, 50084, 52720, 59310, 62605, 63264, 75126, 79080, 94896, 100168, 105440, 112689, 118620, 125210, 150252, 158160, 187815, 189792, 200336, 225378, 237240, 250420, 300504, 316320, 375630, 400672, 450756, 474480, 500840, 563445, 601008, 751260, 901512, 948960, 1001680, 1126890, 1202016, 1502520, 1803024, 2003360, 2253780, 3005040, 3606048, 4507560, 6010080, 9015120, 18030240]

約数ペア:

[(1, 18030240), (2, 9015120), (3, 6010080), (4, 4507560), (5, 3606048), (6, 3005040), (8, 2253780), (9, 2003360), (10, 1803024), (12, 1502520), (15, 1202016), (16, 1126890), (18, 1001680), (19, 948960), (20, 901512), (24, 751260), (30, 601008), (32, 563445), (36, 500840), (38, 474480), (40, 450756), (45, 400672), (48, 375630), (57, 316320), (60, 300504), (72, 250420), (76, 237240), (80, 225378), (90, 200336), (95, 189792), (96, 187815), (114, 158160), (120, 150252), (144, 125210), (152, 118620), (160, 112689), (171, 105440), (180, 100168), (190, 94896), (228, 79080), (240, 75126), (285, 63264), (288, 62605), (304, 59310), (342, 52720), (360, 50084), (380, 47448), (456, 39540), (480, 37563), (570, 31632), (608, 29655), (659, 27360), (684, 26360), (720, 25042), (760, 23724), (855, 21088), (912, 19770), (1140, 15816), (1318, 13680), (1368, 13180), (1440, 12521), (1520, 11862), (1710, 10544), (1824, 9885), (1977, 9120), (2280, 7908), (2636, 6840), (2736, 6590), (3040, 5931), (3295, 5472), (3420, 5272), (3954, 4560)]