72746820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:362

約数の個数: 144

約数和(自身を含む): 235872000

約数和(自身を除く): 163125180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 89, 90, 95, 114, 171, 178, 180, 190, 228, 239, 267, 285, 342, 356, 380, 445, 478, 534, 570, 684, 717, 801, 855, 890, 956, 1068, 1140, 1195, 1335, 1434, 1602, 1691, 1710, 1780, 2151, 2390, 2670, 2868, 3204, 3382, 3420, 3585, 4005, 4302, 4541, 4780, 5073, 5340, 6764, 7170, 8010, 8455, 8604, 9082, 10146, 10755, 13623, 14340, 15219, 16020, 16910, 18164, 20292, 21271, 21510, 22705, 25365, 27246, 30438, 33820, 40869, 42542, 43020, 45410, 50730, 54492, 60876, 63813, 68115, 76095, 81738, 85084, 90820, 101460, 106355, 127626, 136230, 152190, 163476, 191439, 204345, 212710, 255252, 272460, 304380, 319065, 382878, 404149, 408690, 425420, 638130, 765756, 808298, 817380, 957195, 1212447, 1276260, 1616596, 1914390, 2020745, 2424894, 3637341, 3828780, 4041490, 4849788, 6062235, 7274682, 8082980, 12124470, 14549364, 18186705, 24248940, 36373410, 72746820]

約数ペア:

[(1, 72746820), (2, 36373410), (3, 24248940), (4, 18186705), (5, 14549364), (6, 12124470), (9, 8082980), (10, 7274682), (12, 6062235), (15, 4849788), (18, 4041490), (19, 3828780), (20, 3637341), (30, 2424894), (36, 2020745), (38, 1914390), (45, 1616596), (57, 1276260), (60, 1212447), (76, 957195), (89, 817380), (90, 808298), (95, 765756), (114, 638130), (171, 425420), (178, 408690), (180, 404149), (190, 382878), (228, 319065), (239, 304380), (267, 272460), (285, 255252), (342, 212710), (356, 204345), (380, 191439), (445, 163476), (478, 152190), (534, 136230), (570, 127626), (684, 106355), (717, 101460), (801, 90820), (855, 85084), (890, 81738), (956, 76095), (1068, 68115), (1140, 63813), (1195, 60876), (1335, 54492), (1434, 50730), (1602, 45410), (1691, 43020), (1710, 42542), (1780, 40869), (2151, 33820), (2390, 30438), (2670, 27246), (2868, 25365), (3204, 22705), (3382, 21510), (3420, 21271), (3585, 20292), (4005, 18164), (4302, 16910), (4541, 16020), (4780, 15219), (5073, 14340), (5340, 13623), (6764, 10755), (7170, 10146), (8010, 9082), (8455, 8604)]