197463780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15451}}^1$

素因数の和:15537

約数の個数: 72

約数和(自身を含む): 607449024

約数和(自身を除く): 409985244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 15451, 30902, 46353, 61804, 77255, 92706, 139059, 154510, 185412, 231765, 278118, 309020, 463530, 556236, 695295, 927060, 1097021, 1390590, 2194042, 2781180, 3291063, 4388084, 5485105, 6582126, 9873189, 10970210, 13164252, 16455315, 19746378, 21940420, 32910630, 39492756, 49365945, 65821260, 98731890, 197463780]

約数ペア:

[(1, 197463780), (2, 98731890), (3, 65821260), (4, 49365945), (5, 39492756), (6, 32910630), (9, 21940420), (10, 19746378), (12, 16455315), (15, 13164252), (18, 10970210), (20, 9873189), (30, 6582126), (36, 5485105), (45, 4388084), (60, 3291063), (71, 2781180), (90, 2194042), (142, 1390590), (180, 1097021), (213, 927060), (284, 695295), (355, 556236), (426, 463530), (639, 309020), (710, 278118), (852, 231765), (1065, 185412), (1278, 154510), (1420, 139059), (2130, 92706), (2556, 77255), (3195, 61804), (4260, 46353), (6390, 30902), (12780, 15451)]