18430380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:368

約数の個数: 144

約数和(自身を含む): 62506080

約数和(自身を除く): 44075700

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, 317, 323, 340, 342, 380, 510, 570, 612, 634, 646, 684, 765, 855, 951, 969, 1020, 1140, 1268, 1292, 1530, 1585, 1615, 1710, 1902, 1938, 2853, 2907, 3060, 3170, 3230, 3420, 3804, 3876, 4755, 4845, 5389, 5706, 5814, 6023, 6340, 6460, 9510, 9690, 10778, 11412, 11628, 12046, 14265, 14535, 16167, 18069, 19020, 19380, 21556, 24092, 26945, 28530, 29070, 30115, 32334, 36138, 48501, 53890, 54207, 57060, 58140, 60230, 64668, 72276, 80835, 90345, 97002, 102391, 107780, 108414, 120460, 161670, 180690, 194004, 204782, 216828, 242505, 271035, 307173, 323340, 361380, 409564, 485010, 511955, 542070, 614346, 921519, 970020, 1023910, 1084140, 1228692, 1535865, 1843038, 2047820, 3071730, 3686076, 4607595, 6143460, 9215190, 18430380]

約数ペア:

[(1, 18430380), (2, 9215190), (3, 6143460), (4, 4607595), (5, 3686076), (6, 3071730), (9, 2047820), (10, 1843038), (12, 1535865), (15, 1228692), (17, 1084140), (18, 1023910), (19, 970020), (20, 921519), (30, 614346), (34, 542070), (36, 511955), (38, 485010), (45, 409564), (51, 361380), (57, 323340), (60, 307173), (68, 271035), (76, 242505), (85, 216828), (90, 204782), (95, 194004), (102, 180690), (114, 161670), (153, 120460), (170, 108414), (171, 107780), (180, 102391), (190, 97002), (204, 90345), (228, 80835), (255, 72276), (285, 64668), (306, 60230), (317, 58140), (323, 57060), (340, 54207), (342, 53890), (380, 48501), (510, 36138), (570, 32334), (612, 30115), (634, 29070), (646, 28530), (684, 26945), (765, 24092), (855, 21556), (951, 19380), (969, 19020), (1020, 18069), (1140, 16167), (1268, 14535), (1292, 14265), (1530, 12046), (1585, 11628), (1615, 11412), (1710, 10778), (1902, 9690), (1938, 9510), (2853, 6460), (2907, 6340), (3060, 6023), (3170, 5814), (3230, 5706), (3420, 5389), (3804, 4845), (3876, 4755)]