28269720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4133}}^1$

素因数の和:4169

約数の個数: 96

約数和(自身を含む): 96735600

約数和(自身を除く): 68465880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 4133, 6840, 8266, 12399, 16532, 20665, 24798, 33064, 37197, 41330, 49596, 61995, 74394, 78527, 82660, 99192, 123990, 148788, 157054, 165320, 185985, 235581, 247980, 297576, 314108, 371970, 392635, 471162, 495960, 628216, 706743, 743940, 785270, 942324, 1177905, 1413486, 1487880, 1570540, 1884648, 2355810, 2826972, 3141080, 3533715, 4711620, 5653944, 7067430, 9423240, 14134860, 28269720]

約数ペア:

[(1, 28269720), (2, 14134860), (3, 9423240), (4, 7067430), (5, 5653944), (6, 4711620), (8, 3533715), (9, 3141080), (10, 2826972), (12, 2355810), (15, 1884648), (18, 1570540), (19, 1487880), (20, 1413486), (24, 1177905), (30, 942324), (36, 785270), (38, 743940), (40, 706743), (45, 628216), (57, 495960), (60, 471162), (72, 392635), (76, 371970), (90, 314108), (95, 297576), (114, 247980), (120, 235581), (152, 185985), (171, 165320), (180, 157054), (190, 148788), (228, 123990), (285, 99192), (342, 82660), (360, 78527), (380, 74394), (456, 61995), (570, 49596), (684, 41330), (760, 37197), (855, 33064), (1140, 24798), (1368, 20665), (1710, 16532), (2280, 12399), (3420, 8266), (4133, 6840)]