72678420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:382

約数の個数: 144

約数和(自身を含む): 235872000

約数和(自身を除く): 163193580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 79, 90, 95, 114, 158, 171, 180, 190, 228, 237, 269, 285, 316, 342, 380, 395, 474, 538, 570, 684, 711, 790, 807, 855, 948, 1076, 1140, 1185, 1345, 1422, 1501, 1580, 1614, 1710, 2370, 2421, 2690, 2844, 3002, 3228, 3420, 3555, 4035, 4503, 4740, 4842, 5111, 5380, 6004, 7110, 7505, 8070, 9006, 9684, 10222, 12105, 13509, 14220, 15010, 15333, 16140, 18012, 20444, 21251, 22515, 24210, 25555, 27018, 30020, 30666, 42502, 45030, 45999, 48420, 51110, 54036, 61332, 63753, 67545, 76665, 85004, 90060, 91998, 102220, 106255, 127506, 135090, 153330, 183996, 191259, 212510, 229995, 255012, 270180, 306660, 318765, 382518, 403769, 425020, 459990, 637530, 765036, 807538, 919980, 956295, 1211307, 1275060, 1615076, 1912590, 2018845, 2422614, 3633921, 3825180, 4037690, 4845228, 6056535, 7267842, 8075380, 12113070, 14535684, 18169605, 24226140, 36339210, 72678420]

約数ペア:

[(1, 72678420), (2, 36339210), (3, 24226140), (4, 18169605), (5, 14535684), (6, 12113070), (9, 8075380), (10, 7267842), (12, 6056535), (15, 4845228), (18, 4037690), (19, 3825180), (20, 3633921), (30, 2422614), (36, 2018845), (38, 1912590), (45, 1615076), (57, 1275060), (60, 1211307), (76, 956295), (79, 919980), (90, 807538), (95, 765036), (114, 637530), (158, 459990), (171, 425020), (180, 403769), (190, 382518), (228, 318765), (237, 306660), (269, 270180), (285, 255012), (316, 229995), (342, 212510), (380, 191259), (395, 183996), (474, 153330), (538, 135090), (570, 127506), (684, 106255), (711, 102220), (790, 91998), (807, 90060), (855, 85004), (948, 76665), (1076, 67545), (1140, 63753), (1185, 61332), (1345, 54036), (1422, 51110), (1501, 48420), (1580, 45999), (1614, 45030), (1710, 42502), (2370, 30666), (2421, 30020), (2690, 27018), (2844, 25555), (3002, 24210), (3228, 22515), (3420, 21251), (3555, 20444), (4035, 18012), (4503, 16140), (4740, 15333), (4842, 15010), (5111, 14220), (5380, 13509), (6004, 12105), (7110, 10222), (7505, 9684), (8070, 9006)]