72900720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^2$

素因数の和:184

約数の個数: 180

約数和(自身を含む): 261289080

約数和(自身を除く): 188388360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 73, 76, 80, 90, 95, 114, 120, 144, 146, 152, 171, 180, 190, 219, 228, 240, 285, 292, 304, 342, 360, 365, 380, 438, 456, 570, 584, 657, 684, 720, 730, 760, 855, 876, 912, 1095, 1140, 1168, 1314, 1368, 1387, 1460, 1520, 1710, 1752, 2190, 2280, 2628, 2736, 2774, 2920, 3285, 3420, 3504, 4161, 4380, 4560, 5256, 5329, 5548, 5840, 6570, 6840, 6935, 8322, 8760, 10512, 10658, 11096, 12483, 13140, 13680, 13870, 15987, 16644, 17520, 20805, 21316, 22192, 24966, 26280, 26645, 27740, 31974, 33288, 41610, 42632, 47961, 49932, 52560, 53290, 55480, 62415, 63948, 66576, 79935, 83220, 85264, 95922, 99864, 101251, 106580, 110960, 124830, 127896, 159870, 166440, 191844, 199728, 202502, 213160, 239805, 249660, 255792, 303753, 319740, 332880, 383688, 405004, 426320, 479610, 499320, 506255, 607506, 639480, 767376, 810008, 911259, 959220, 998640, 1012510, 1215012, 1278960, 1518765, 1620016, 1822518, 1918440, 2025020, 2430024, 3037530, 3645036, 3836880, 4050040, 4556295, 4860048, 6075060, 7290072, 8100080, 9112590, 12150120, 14580144, 18225180, 24300240, 36450360, 72900720]

約数ペア:

[(1, 72900720), (2, 36450360), (3, 24300240), (4, 18225180), (5, 14580144), (6, 12150120), (8, 9112590), (9, 8100080), (10, 7290072), (12, 6075060), (15, 4860048), (16, 4556295), (18, 4050040), (19, 3836880), (20, 3645036), (24, 3037530), (30, 2430024), (36, 2025020), (38, 1918440), (40, 1822518), (45, 1620016), (48, 1518765), (57, 1278960), (60, 1215012), (72, 1012510), (73, 998640), (76, 959220), (80, 911259), (90, 810008), (95, 767376), (114, 639480), (120, 607506), (144, 506255), (146, 499320), (152, 479610), (171, 426320), (180, 405004), (190, 383688), (219, 332880), (228, 319740), (240, 303753), (285, 255792), (292, 249660), (304, 239805), (342, 213160), (360, 202502), (365, 199728), (380, 191844), (438, 166440), (456, 159870), (570, 127896), (584, 124830), (657, 110960), (684, 106580), (720, 101251), (730, 99864), (760, 95922), (855, 85264), (876, 83220), (912, 79935), (1095, 66576), (1140, 63948), (1168, 62415), (1314, 55480), (1368, 53290), (1387, 52560), (1460, 49932), (1520, 47961), (1710, 42632), (1752, 41610), (2190, 33288), (2280, 31974), (2628, 27740), (2736, 26645), (2774, 26280), (2920, 24966), (3285, 22192), (3420, 21316), (3504, 20805), (4161, 17520), (4380, 16644), (4560, 15987), (5256, 13870), (5329, 13680), (5548, 13140), (5840, 12483), (6570, 11096), (6840, 10658), (6935, 10512), (8322, 8760)]