381511260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8581}}^1$

素因数の和:8628

約数の個数: 144

約数和(自身を含む): 1312016160

約数和(自身を除く): 930504900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1482, 1710, 2223, 2340, 2470, 2964, 3420, 3705, 4446, 4940, 7410, 8581, 8892, 11115, 14820, 17162, 22230, 25743, 34324, 42905, 44460, 51486, 77229, 85810, 102972, 111553, 128715, 154458, 163039, 171620, 223106, 257430, 308916, 326078, 334659, 386145, 446212, 489117, 514860, 557765, 652156, 669318, 772290, 815195, 978234, 1003977, 1115530, 1338636, 1467351, 1544580, 1630390, 1673295, 1956468, 2007954, 2119507, 2231060, 2445585, 2934702, 3260780, 3346590, 4015908, 4239014, 4891170, 5019885, 5869404, 6358521, 6693180, 7336755, 8478028, 9782340, 10039770, 10597535, 12717042, 14673510, 19075563, 20079540, 21195070, 25434084, 29347020, 31792605, 38151126, 42390140, 63585210, 76302252, 95377815, 127170420, 190755630, 381511260]

約数ペア:

[(1, 381511260), (2, 190755630), (3, 127170420), (4, 95377815), (5, 76302252), (6, 63585210), (9, 42390140), (10, 38151126), (12, 31792605), (13, 29347020), (15, 25434084), (18, 21195070), (19, 20079540), (20, 19075563), (26, 14673510), (30, 12717042), (36, 10597535), (38, 10039770), (39, 9782340), (45, 8478028), (52, 7336755), (57, 6693180), (60, 6358521), (65, 5869404), (76, 5019885), (78, 4891170), (90, 4239014), (95, 4015908), (114, 3346590), (117, 3260780), (130, 2934702), (156, 2445585), (171, 2231060), (180, 2119507), (190, 2007954), (195, 1956468), (228, 1673295), (234, 1630390), (247, 1544580), (260, 1467351), (285, 1338636), (342, 1115530), (380, 1003977), (390, 978234), (468, 815195), (494, 772290), (570, 669318), (585, 652156), (684, 557765), (741, 514860), (780, 489117), (855, 446212), (988, 386145), (1140, 334659), (1170, 326078), (1235, 308916), (1482, 257430), (1710, 223106), (2223, 171620), (2340, 163039), (2470, 154458), (2964, 128715), (3420, 111553), (3705, 102972), (4446, 85810), (4940, 77229), (7410, 51486), (8581, 44460), (8892, 42905), (11115, 34324), (14820, 25743), (17162, 22230)]