89012340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1531}}^1$

素因数の和:1582

約数の個数: 144

約数和(自身を含む): 301129920

約数和(自身を除く): 212117580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 85, 90, 95, 102, 114, 153, 170, 171, 180, 190, 204, 228, 255, 285, 306, 323, 340, 342, 380, 510, 570, 612, 646, 684, 765, 855, 969, 1020, 1140, 1292, 1530, 1531, 1615, 1710, 1938, 2907, 3060, 3062, 3230, 3420, 3876, 4593, 4845, 5814, 6124, 6460, 7655, 9186, 9690, 11628, 13779, 14535, 15310, 18372, 19380, 22965, 26027, 27558, 29070, 29089, 30620, 45930, 52054, 55116, 58140, 58178, 68895, 78081, 87267, 91860, 104108, 116356, 130135, 137790, 145445, 156162, 174534, 234243, 260270, 261801, 275580, 290890, 312324, 349068, 390405, 436335, 468486, 494513, 520540, 523602, 581780, 780810, 872670, 936972, 989026, 1047204, 1171215, 1309005, 1483539, 1561620, 1745340, 1978052, 2342430, 2472565, 2618010, 2967078, 4450617, 4684860, 4945130, 5236020, 5934156, 7417695, 8901234, 9890260, 14835390, 17802468, 22253085, 29670780, 44506170, 89012340]

約数ペア:

[(1, 89012340), (2, 44506170), (3, 29670780), (4, 22253085), (5, 17802468), (6, 14835390), (9, 9890260), (10, 8901234), (12, 7417695), (15, 5934156), (17, 5236020), (18, 4945130), (19, 4684860), (20, 4450617), (30, 2967078), (34, 2618010), (36, 2472565), (38, 2342430), (45, 1978052), (51, 1745340), (57, 1561620), (60, 1483539), (68, 1309005), (76, 1171215), (85, 1047204), (90, 989026), (95, 936972), (102, 872670), (114, 780810), (153, 581780), (170, 523602), (171, 520540), (180, 494513), (190, 468486), (204, 436335), (228, 390405), (255, 349068), (285, 312324), (306, 290890), (323, 275580), (340, 261801), (342, 260270), (380, 234243), (510, 174534), (570, 156162), (612, 145445), (646, 137790), (684, 130135), (765, 116356), (855, 104108), (969, 91860), (1020, 87267), (1140, 78081), (1292, 68895), (1530, 58178), (1531, 58140), (1615, 55116), (1710, 52054), (1938, 45930), (2907, 30620), (3060, 29089), (3062, 29070), (3230, 27558), (3420, 26027), (3876, 22965), (4593, 19380), (4845, 18372), (5814, 15310), (6124, 14535), (6460, 13779), (7655, 11628), (9186, 9690)]