26730720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{977}}^1$

素因数の和:1017

約数の個数: 144

約数和(自身を含む): 96117840

約数和(自身を除く): 69387120

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, 684, 720, 760, 855, 912, 977, 1140, 1368, 1440, 1520, 1710, 1824, 1954, 2280, 2736, 2931, 3040, 3420, 3908, 4560, 4885, 5472, 5862, 6840, 7816, 8793, 9120, 9770, 11724, 13680, 14655, 15632, 17586, 18563, 19540, 23448, 27360, 29310, 31264, 35172, 37126, 39080, 43965, 46896, 55689, 58620, 70344, 74252, 78160, 87930, 92815, 93792, 111378, 117240, 140688, 148504, 156320, 167067, 175860, 185630, 222756, 234480, 278445, 281376, 297008, 334134, 351720, 371260, 445512, 468960, 556890, 594016, 668268, 703440, 742520, 835335, 891024, 1113780, 1336536, 1406880, 1485040, 1670670, 1782048, 2227560, 2673072, 2970080, 3341340, 4455120, 5346144, 6682680, 8910240, 13365360, 26730720]

約数ペア:

[(1, 26730720), (2, 13365360), (3, 8910240), (4, 6682680), (5, 5346144), (6, 4455120), (8, 3341340), (9, 2970080), (10, 2673072), (12, 2227560), (15, 1782048), (16, 1670670), (18, 1485040), (19, 1406880), (20, 1336536), (24, 1113780), (30, 891024), (32, 835335), (36, 742520), (38, 703440), (40, 668268), (45, 594016), (48, 556890), (57, 468960), (60, 445512), (72, 371260), (76, 351720), (80, 334134), (90, 297008), (95, 281376), (96, 278445), (114, 234480), (120, 222756), (144, 185630), (152, 175860), (160, 167067), (171, 156320), (180, 148504), (190, 140688), (228, 117240), (240, 111378), (285, 93792), (288, 92815), (304, 87930), (342, 78160), (360, 74252), (380, 70344), (456, 58620), (480, 55689), (570, 46896), (608, 43965), (684, 39080), (720, 37126), (760, 35172), (855, 31264), (912, 29310), (977, 27360), (1140, 23448), (1368, 19540), (1440, 18563), (1520, 17586), (1710, 15632), (1824, 14655), (1954, 13680), (2280, 11724), (2736, 9770), (2931, 9120), (3040, 8793), (3420, 7816), (3908, 6840), (4560, 5862), (4885, 5472)]