78463980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{62273}}^1$

素因数の和:62295

約数の個数: 72

約数和(自身を含む): 272012832

約数和(自身を除く): 193548852

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 62273, 124546, 186819, 249092, 311365, 373638, 435911, 560457, 622730, 747276, 871822, 934095, 1120914, 1245460, 1307733, 1743644, 1868190, 2179555, 2241828, 2615466, 2802285, 3736380, 3923199, 4359110, 5230932, 5604570, 6538665, 7846398, 8718220, 11209140, 13077330, 15692796, 19615995, 26154660, 39231990, 78463980]

約数ペア:

[(1, 78463980), (2, 39231990), (3, 26154660), (4, 19615995), (5, 15692796), (6, 13077330), (7, 11209140), (9, 8718220), (10, 7846398), (12, 6538665), (14, 5604570), (15, 5230932), (18, 4359110), (20, 3923199), (21, 3736380), (28, 2802285), (30, 2615466), (35, 2241828), (36, 2179555), (42, 1868190), (45, 1743644), (60, 1307733), (63, 1245460), (70, 1120914), (84, 934095), (90, 871822), (105, 747276), (126, 622730), (140, 560457), (180, 435911), (210, 373638), (252, 311365), (315, 249092), (420, 186819), (630, 124546), (1260, 62273)]