320176980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5507}}^1$

素因数の和:5558

約数の個数: 144

約数和(自身を含む): 1082652480

約数和(自身を除く): 762475500

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, 1615, 1710, 1938, 2907, 3060, 3230, 3420, 3876, 4845, 5507, 5814, 6460, 9690, 11014, 11628, 14535, 16521, 19380, 22028, 27535, 29070, 33042, 49563, 55070, 58140, 66084, 82605, 93619, 99126, 104633, 110140, 165210, 187238, 198252, 209266, 247815, 280857, 313899, 330420, 374476, 418532, 468095, 495630, 523165, 561714, 627798, 842571, 936190, 941697, 991260, 1046330, 1123428, 1255596, 1404285, 1569495, 1685142, 1778761, 1872380, 1883394, 2092660, 2808570, 3138990, 3370284, 3557522, 3766788, 4212855, 4708485, 5336283, 5617140, 6277980, 7115044, 8425710, 8893805, 9416970, 10672566, 16008849, 16851420, 17787610, 18833940, 21345132, 26681415, 32017698, 35575220, 53362830, 64035396, 80044245, 106725660, 160088490, 320176980]

約数ペア:

[(1, 320176980), (2, 160088490), (3, 106725660), (4, 80044245), (5, 64035396), (6, 53362830), (9, 35575220), (10, 32017698), (12, 26681415), (15, 21345132), (17, 18833940), (18, 17787610), (19, 16851420), (20, 16008849), (30, 10672566), (34, 9416970), (36, 8893805), (38, 8425710), (45, 7115044), (51, 6277980), (57, 5617140), (60, 5336283), (68, 4708485), (76, 4212855), (85, 3766788), (90, 3557522), (95, 3370284), (102, 3138990), (114, 2808570), (153, 2092660), (170, 1883394), (171, 1872380), (180, 1778761), (190, 1685142), (204, 1569495), (228, 1404285), (255, 1255596), (285, 1123428), (306, 1046330), (323, 991260), (340, 941697), (342, 936190), (380, 842571), (510, 627798), (570, 561714), (612, 523165), (646, 495630), (684, 468095), (765, 418532), (855, 374476), (969, 330420), (1020, 313899), (1140, 280857), (1292, 247815), (1530, 209266), (1615, 198252), (1710, 187238), (1938, 165210), (2907, 110140), (3060, 104633), (3230, 99126), (3420, 93619), (3876, 82605), (4845, 66084), (5507, 58140), (5814, 55070), (6460, 49563), (9690, 33042), (11014, 29070), (11628, 27535), (14535, 22028), (16521, 19380)]