1388404620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1\times {\mathrm{733}}^1$

素因数の和:1384

約数の個数: 144

約数和(自身を含む): 4472526240

約数和(自身を除く): 3084121620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 619, 733, 765, 1020, 1238, 1466, 1530, 1857, 2199, 2476, 2932, 3060, 3095, 3665, 3714, 4398, 5571, 6190, 6597, 7330, 7428, 8796, 9285, 10523, 10995, 11142, 12380, 12461, 13194, 14660, 18570, 21046, 21990, 22284, 24922, 26388, 27855, 31569, 32985, 37140, 37383, 42092, 43980, 49844, 52615, 55710, 62305, 63138, 65970, 74766, 94707, 105230, 111420, 112149, 124610, 126276, 131940, 149532, 157845, 186915, 189414, 210460, 224298, 249220, 315690, 373830, 378828, 448596, 453727, 473535, 560745, 631380, 747660, 907454, 947070, 1121490, 1361181, 1814908, 1894140, 2242980, 2268635, 2722362, 4083543, 4537270, 5444724, 6805905, 7713359, 8167086, 9074540, 13611810, 15426718, 16334172, 20417715, 23140077, 27223620, 30853436, 38566795, 40835430, 46280154, 69420231, 77133590, 81670860, 92560308, 115700385, 138840462, 154267180, 231400770, 277680924, 347101155, 462801540, 694202310, 1388404620]

約数ペア:

[(1, 1388404620), (2, 694202310), (3, 462801540), (4, 347101155), (5, 277680924), (6, 231400770), (9, 154267180), (10, 138840462), (12, 115700385), (15, 92560308), (17, 81670860), (18, 77133590), (20, 69420231), (30, 46280154), (34, 40835430), (36, 38566795), (45, 30853436), (51, 27223620), (60, 23140077), (68, 20417715), (85, 16334172), (90, 15426718), (102, 13611810), (153, 9074540), (170, 8167086), (180, 7713359), (204, 6805905), (255, 5444724), (306, 4537270), (340, 4083543), (510, 2722362), (612, 2268635), (619, 2242980), (733, 1894140), (765, 1814908), (1020, 1361181), (1238, 1121490), (1466, 947070), (1530, 907454), (1857, 747660), (2199, 631380), (2476, 560745), (2932, 473535), (3060, 453727), (3095, 448596), (3665, 378828), (3714, 373830), (4398, 315690), (5571, 249220), (6190, 224298), (6597, 210460), (7330, 189414), (7428, 186915), (8796, 157845), (9285, 149532), (10523, 131940), (10995, 126276), (11142, 124610), (12380, 112149), (12461, 111420), (13194, 105230), (14660, 94707), (18570, 74766), (21046, 65970), (21990, 63138), (22284, 62305), (24922, 55710), (26388, 52615), (27855, 49844), (31569, 43980), (32985, 42092), (37140, 37383)]