1640984910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1\times {\mathrm{3769}}^1$

素因数の和:4433

約数の個数: 64

約数和(自身を含む): 4117201920

約数和(自身を除く): 2476217010

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 631, 690, 1262, 1893, 3155, 3769, 3786, 6310, 7538, 9465, 11307, 14513, 18845, 18930, 22614, 29026, 37690, 43539, 56535, 72565, 86687, 87078, 113070, 145130, 173374, 217695, 260061, 433435, 435390, 520122, 866870, 1300305, 2378239, 2600610, 4756478, 7134717, 11891195, 14269434, 23782390, 35673585, 54699497, 71347170, 109398994, 164098491, 273497485, 328196982, 546994970, 820492455, 1640984910]

約数ペア:

[(1, 1640984910), (2, 820492455), (3, 546994970), (5, 328196982), (6, 273497485), (10, 164098491), (15, 109398994), (23, 71347170), (30, 54699497), (46, 35673585), (69, 23782390), (115, 14269434), (138, 11891195), (230, 7134717), (345, 4756478), (631, 2600610), (690, 2378239), (1262, 1300305), (1893, 866870), (3155, 520122), (3769, 435390), (3786, 433435), (6310, 260061), (7538, 217695), (9465, 173374), (11307, 145130), (14513, 113070), (18845, 87078), (18930, 86687), (22614, 72565), (29026, 56535), (37690, 43539)]