74887740

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{811}}^1$

素因数の和:854

約数の個数: 144

約数和(自身を含む): 248277120

約数和(自身を除く): 173389380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 243, 270, 285, 324, 342, 380, 405, 486, 513, 540, 570, 684, 810, 811, 855, 972, 1026, 1140, 1215, 1539, 1620, 1622, 1710, 2052, 2430, 2433, 2565, 3078, 3244, 3420, 4055, 4617, 4860, 4866, 5130, 6156, 7299, 7695, 8110, 9234, 9732, 10260, 12165, 14598, 15390, 15409, 16220, 18468, 21897, 23085, 24330, 29196, 30780, 30818, 36495, 43794, 46170, 46227, 48660, 61636, 65691, 72990, 77045, 87588, 92340, 92454, 109485, 131382, 138681, 145980, 154090, 184908, 197073, 218970, 231135, 262764, 277362, 308180, 328455, 394146, 416043, 437940, 462270, 554724, 656910, 693405, 788292, 832086, 924540, 985365, 1248129, 1313820, 1386810, 1664172, 1970730, 2080215, 2496258, 2773620, 3744387, 3941460, 4160430, 4992516, 6240645, 7488774, 8320860, 12481290, 14977548, 18721935, 24962580, 37443870, 74887740]

約数ペア:

[(1, 74887740), (2, 37443870), (3, 24962580), (4, 18721935), (5, 14977548), (6, 12481290), (9, 8320860), (10, 7488774), (12, 6240645), (15, 4992516), (18, 4160430), (19, 3941460), (20, 3744387), (27, 2773620), (30, 2496258), (36, 2080215), (38, 1970730), (45, 1664172), (54, 1386810), (57, 1313820), (60, 1248129), (76, 985365), (81, 924540), (90, 832086), (95, 788292), (108, 693405), (114, 656910), (135, 554724), (162, 462270), (171, 437940), (180, 416043), (190, 394146), (228, 328455), (243, 308180), (270, 277362), (285, 262764), (324, 231135), (342, 218970), (380, 197073), (405, 184908), (486, 154090), (513, 145980), (540, 138681), (570, 131382), (684, 109485), (810, 92454), (811, 92340), (855, 87588), (972, 77045), (1026, 72990), (1140, 65691), (1215, 61636), (1539, 48660), (1620, 46227), (1622, 46170), (1710, 43794), (2052, 36495), (2430, 30818), (2433, 30780), (2565, 29196), (3078, 24330), (3244, 23085), (3420, 21897), (4055, 18468), (4617, 16220), (4860, 15409), (4866, 15390), (5130, 14598), (6156, 12165), (7299, 10260), (7695, 9732), (8110, 9234)]